UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                 -----------------------------------------------

                                  SCHEDULE 13D

                                (Amendment No. 1)

                    Under the Securities Exchange Act of 1934

                        GEMSTAR INTERNATIONAL GROUP LTD.
                                (Name of Issuer)

                    Ordinary Shares, par value $.01 per share
                         (Title of Class of Securities)

                                   G-3788-V106
                                 (CUSIP Number)

                            Michael D. Fricklas, Esq.
                                   Viacom Inc.
                                  1515 Broadway
                            New York, New York 10036
                            Telephone: (212) 258-6000
                     (Name, Address and Telephone Number of
            Person Authorized to Receive Notices and Communications)

                                February 7, 1998
             (Date of Event which Requires Filing of this Statement)


            ---------------------------------------------------------

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  which is the subject of this  Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box / /.

Check the following box if a fee is being paid with this statement / /.





CUSIP No. G-3788-V106

(1)       Name of Reporting Person
          S.S. or I.R.S. Identification No. of Above Person
                                     VIACOM INTERNATIONAL INC.
          ---------------------------------------------------------------------
                                     I.R.S. Identification No. 13-3844753
          ---------------------------------------------------------------------


(2)       Check the Appropriate Box if a Member of Group (See Instructions)

          |_|  (a)-------------------------------------------------------------
          |_|  (b)-------------------------------------------------------------


(3)       SEC Use Only
                         ------------------------------------------------------


(4)       Sources of Funds (See Instructions)
                                             ----------------------------------


(5)       Check if Disclosure of Legal Proceedings is Required Pursuant to Items
          2(d) or 2(e)
                         ------------------------------------------------------


(6)       Citizenship or Place of Organization          Delaware
                                                  -----------------------------


- - --------------
 Number of          (7)  Sole Voting Power
   Shares                                         -----------------------------
Beneficially        (8)  Shared Voting Power                   2,895,743
 Owned by                                         -----------------------------
   Each             (9)  Sole Dispositive Power
Reporting                                         -----------------------------
  Person            (10) Shared Dispositive Power              2,895,743
   With                                           -----------------------------
- - --------------


(11)      Aggregate Amount Beneficially Owned by Each Reporting Person
                   2,895,743
          ---------------------------------------------------------------------

(12)      Check if the Aggregate Amount in Row (11) Excludes Certain Shares
          (See Instructions)
                              -------------------------------------------------


(13)      Percent of Class Represented by Amount in Row (11)
                   6.02%
          ---------------------------------------------------------------------


(14)      Type of Reporting Person (See Instructions)            CO
                                                       ------------------------




                                  Page 2 of 15








CUSIP No. G-3788-V106

(1)       Name of Reporting Person
          S.S. or I.R.S. Identification No. of Above Person
                                     SUMNER M. REDSTONE
          ---------------------------------------------------------------------
                                     I.R.S. Identification No.
          ---------------------------------------------------------------------


(2)       Check the Appropriate Box if a Member of Group (See Instructions)

          |_|  (a)-------------------------------------------------------------
          |_|  (b)-------------------------------------------------------------


(3)       SEC Use Only
                         ------------------------------------------------------


(4)       Sources of Funds (See Instructions)
                                             ----------------------------------


(5)       Check if Disclosure of Legal Proceedings is Required Pursuant to Items
          2(d) or 2(e)
                         ------------------------------------------------------


(6)       Citizenship or Place of Organization          United States
                                                  -----------------------------


- - --------------
 Number of          (7)  Sole Voting Power                     22,126
   Shares                                         -----------------------------
Beneficially        (8)  Shared Voting Power                2,895,743
 Owned by                                         -----------------------------
   Each             (9)  Sole Dispositive Power                22,126
Reporting                                         -----------------------------
  Person            (10) Shared Dispositive Power           2,895,743
   With                                           -----------------------------
- - --------------


(11)      Aggregate Amount Beneficially Owned by Each Reporting Person
                   2,917,869
          ---------------------------------------------------------------------


(12)      Check if the Aggregate Amount in Row (11) Excludes Certain Shares
          (See Instructions)
                              -------------------------------------------------


(13)      Percent of Class Represented by Amount in Row (11)
                   6.07%
          ---------------------------------------------------------------------


(14)      Type of Reporting Person (See Instructions)            IN
                                                       ------------------------




                                  Page 3 of 15








               This  Amendment  No. 1 amends the Statement on Schedule 13D filed
with  The  Securities  and  Exchange  Commission  on  May  19,  1997  by  Viacom
International Inc. (the "Company") and Mr. Sumner M. Redstone  ("Redstone") with
respect to the voting Ordinary  Shares,  $.01 par value per share (the "Ordinary
Shares"),  of Gemstar  International  Group  Limited,  a British  Virgin Islands
corporation (the "Issuer"),  with its principal  executive office located at 135
North Los Robles Avenue, Suite 800, Pasadena, California 91101.

Item 2.        Identity and Background.
               ------------------------

               Item 2 is hereby amended to reflect changes in Schedules I and II
attached hereto.


Item 4.   Purpose of Transaction.
          -----------------------

               Item 4 is hereby amended and supplemented as follows:

               On February  7, 1998,  the Company  entered  into Stock  Purchase
Agreement with THOMSON  multimedia  S.A.  ("Thomson")  pursuant to which Thomson
agreed to acquire  from the Company  and the  Company  agreed to sell to Thomson
600,000  Ordinary Shares for an aggregate  purchase price of $19.2 million.  The
Closing of the purchase  and sale took place on February 12, 1998.  Although the
Reporting  Persons  may,  at any time and from  time to time,  purchase  or sell
Ordinary Shares in public or private transactions, the Reporting Persons have no
current  plan or  proposal  which  relates  to, or would  result  in, any of the
actions enumerated in subparagraphs (a) through (j) of Item 4 Schedule 13D.


Item 5.   Interest in Securities of the Issuer.
          -------------------------------------

               The Company  beneficially owns 2,895,743  Ordinary Shares,  which
represent  approximately  6.02% of the issued and  outstanding  Ordinary  Shares
(based on the number of Ordinary  Shares of the Issuer that were reported by the
Issuer to issued and  outstanding  as of October 31, 1997).  Such shares consist
of:

               (i)  2,154,154  Ordinary Shares held directly by the Company over
                    which the Company has voting and dispositive power; and

               (ii) 681,475  shares of Common  Stock held by Virgin  Interactive
                    Entertainment Inc., a Delaware  corporation.  The issued and
                    outstanding shares of Virgin Interactive  Entertainment Inc.
                    are owned by Virgin Interactive  Entertainment  (Investment)
                    Ltd., a United Kingdom corporation,  which in turn is wholly
                    owned by Virgin Interactive Entertainment (Holdings) Ltd., a
                    United  Kingdom  corporation.  The  issued  and  outstanding
                    shares of Virgin Interactive  Entertainment  (Holdings) Ltd.
                    are owned by Virgin Interactive Entertainment Ltd., a United
                    Kingdom corporation.  Virgin Interactive  Entertainment Ltd.
                    is owned  approximately 91% by Spelling  Entertainment Group
                    Inc., a Delaware  corporation,  and  approximately 9% by the
                    Company.   SEGI  Holding  Corp.,  a  Delaware   corporation,
                    beneficially    owns    approximately    80%   of   Spelling
                    Entertainment Group Inc. and is a wholly owned subsidiary of
                    Blockbuster   Pictures  Holding   Corporation,   a  Delaware
                    corporation,  which in turn is a wholly owned  subsidiary of
                    the Company.




                                  Page 4 of 15








               Viacom Inc.  ("Viacom"),  as the sole shareholder of the Company,
may be deemed the beneficial  owner of all of the Ordinary  Shares  described in
clauses (i) and (ii) of this Item 5.

               National Amusements, Inc. ("NAI"), as the controlling shareholder
of Viacom,  may be deemed the  beneficial  owner of all of the  Ordinary  Shares
described in clauses (i) and (ii) of this Item 5.

               Redstone,  as the  controlling  stockholder of NAI, may be deemed
the beneficial  owner of all of the Ordinary Shares described in clauses (i) and
(ii) of this Item 5. Redstone also owns 22,126  Ordinary  Shares of Common Stock
directly. The aggregate beneficial ownership of Redstone is approximately 6.07%.


Item 6.        Contracts, Arrangements, Understandings or
               Relationships With Respect to Securities of the Issuer.
               -------------------------------------------------------

               On February 7, 1998,  the Company  entered into a Stock  Purchase
Agreement  with  Thomson  pursuant to which  Thomson  agreed to acquire from the
Company and the Company agreed to sell to Thomson,  600,000  Ordinary Shares for
an aggregate  purchase price of $19.2  million.  The Closing of the purchase and
sale took place on February 12, 1998.


Item 7.        Material to Be Filed as Exhibits.
               ---------------------------------

               99.1           Stock Purchase Agreement,  dated February 7, 1998,
                              between  Viacom   International  Inc. and  THOMSON
                              Multimedia S.A.

               99.2           Agreement  between Viacom  International  Inc. and
                              Sumner    M.    Redstone    pursuant    to    Rule
                              13d-1(f)(1)(iii).




                                  Page 5 of 15









                                   Signatures
                                   ----------


               After  reasonable  inquiry and to the best of our  knowledge  and
belief,  we certify that the  information  set forth in this  Statement is true,
complete and correct.


February 13, 1998             Viacom International Inc.


                              By:       /s/  Michael D. Fricklas
                                        -------------------------
                              Name:     Michael D. Fricklas
                              Title:    Senior Vice President



                                        /s/  Sumner M. Redstone
                                        -------------------------
                                        Sumner M. Redstone,
                                        Individually




Page 6 of 15








                                   Schedule I
                            Viacom International Inc.
                               Executive Officers

Business or Principal Occupation Name and Address of Corporation or Name Residence Address or Employment Other Organization in Which Employed - - ---- ----------------- ------------------------ ------------------------------------ Sumner M. Redstone Viacom Inc. Chairman of the Board and National Amusements, Inc. 1515 Broadway Chief Executive Officer of 200 Elm Street New York, NY Viacom Inc.; Chairman of the Dedham, MA 02026 10036 Board and President, Chief Executive Officer of National Amusements, Inc., President and Chief Executive Officer of Viacom International Inc. Philippe P. Dauman* Viacom Inc. Deputy Chairman, Executive VP, Viacom International Inc. 1515 Broadway General Counsel, Chief 1515 Broadway New York, NY Administrative Officer and New York, NY 10036 10036 Secretary of Viacom Inc. and Executive VP and Secretary of Viacom International Inc. Thomas E. Dooley Viacom Inc. Deputy Chairman, Executive VP, Viacom International Inc. 1515 Broadway Finance, Corporate Development 1515 Broadway New York, NY and Communications of Viacom New York, NY 10036 10036 Inc. and Executive VP of Viacom International Inc. Robert M. Bakish Viacom Inc. Sr. VP, Planning, Development Viacom International Inc. 1515 Broadway and Technology of Viacom Inc. 1515 Broadway New York, NY and Viacom International Inc. New York, NY 10036 10036 Carl D. Folta Viacom Inc. Sr. VP, Corporate Viacom International Inc. 1515 Broadway Relations of Viacom Inc. and 1515 Broadway New York, NY Viacom International Inc. New York, NY 10036 10036 - - ------------------- *Also a Director
Page 7 of 15
Schedule I Continued Michael D. Viacom Inc. Sr. VP, Deputy General Viacom International Inc. Fricklas* 1515 Broadway Counsel and Assistant 1515 Broadway New York, NY Secretary of Viacom Inc. and New York, NY 10036 10036 Sr. VP and Assistant Secretary of Viacom International Inc. Susan C. Viacom Inc. Vice President, Controller, Viacom International Inc. Gordon 1515 Broadway Chief Accounting Officer of 1515 Broadway New York, NY Viacom Inc. and Viacom New York, NY 10036 10036 International Inc. Rudolph L. Hertlein Viacom Inc. Sr. VP of Viacom Inc. and Viacom International Inc. 1515 Broadway Viacom International Inc. 1515 Broadway New York, NY New York, NY 10036 10036 Carol Melton Viacom Inc. Sr. VP, Government Affairs of Viacom International Inc. 1515 Broadway Viacom Inc. and Viacom 1515 Broadway New York, NY International Inc. New York, NY 10036 10036 William A. Roskin Viacom Inc. Sr. VP, Human Resources and Viacom International Inc. 1515 Broadway Administration of Viacom Inc. 1515 Broadway New York, NY and Viacom International Inc. New York, NY 10036 10036 Martin Shea Viacom Inc. Sr. VP, Investor Relations of Viacom International Inc. 1515 Broadway Viacom Inc. and Viacom 1515 Broadway New York, NY International Inc. New York, NY 10036 10036 George S. Smith, Viacom Inc. Sr. VP, Chief Financial Viacom International Inc. Jr.* 1515 Broadway Officer of Viacom Inc. and 1515 Broadway New York, NY Viacom International Inc. New York, NY 10036 10036 - - ------------------ *Also a Director
Page 8 of 15 Schedule II Viacom Inc. Executive Officers
Business of Principal Occupation Name and Address of Corporation or Name Residence Address or Employment Other Organization in Which Employed - - ----- ----------------- --------------------- ---------------------------------------- Sumner M. Redstone* Viacom Inc. Chairman of the Board and National Amusements, Inc. 1515 Broadway Chief Executive Officer of 200 Elm Street New York, NY Viacom Inc.; Chairman of the Dedham, MA 02026 10036 Board and President, Chief Executive Officer of National Amusements, Inc., President and Chief Executive Officer of Viacom International Inc. Philippe P. Dauman* Viacom Inc. Deputy Chairman, Executive VP, Viacom International Inc. 1515 Broadway General Counsel, Chief 1515 Broadway New York, NY Administrative Officer and New York, NY 10036 10036 Secretary of Viacom Inc. and Executive VP and Secretary of Viacom International Inc. Thomas E. Dooley* Viacom Inc. Deputy Chairman, Executive VP, Viacom International Inc. 1515 Broadway Finance, Corporate Development 1515 Broadway New York, NY and Communications of Viacom New York, NY 10036 10036 Inc. and Executive VP of Viacom International Inc. Robert M. Bakish Viacom Inc. Sr. VP, Planning, Development Viacom International Inc. 1515 Broadway and Technology of Viacom Inc. 1515 Broadway New York, NY and Viacom International Inc. New York, NY 10036 10036 Carl D. Folta Viacom Inc. Sr. VP, Corporate Viacom International Inc. 1515 Broadway Relations of Viacom Inc. and 1515 Broadway New York, NY Viacom International Inc. New York, NY 10036 10036 - - -------------------- *Also a Director
Page 9 of 15
Schedule II Continue Michael D. Fricklas Viacom Inc. Sr. VP, Deputy General Counsel Viacom International Inc. 1515 Broadway and Assistant Secretary of 1515 Broadway New York, NY Viacom Inc. and Sr. VP and New York, NY 10036 10036 Assistant Secretary of Viacom International Inc. Susan C. Viacom Inc. Vice President, Controller, Viacom International Inc. Gordon 1515 Broadway Chief Accounting Officer of 1515 Broadway New York, NY Viacom Inc. and Viacom New York, NY 10036 10036 International Inc. Rudolph L. Hertlein Viacom Inc. Sr. VP of Viacom Inc. and Viacom International Inc. 1515 Broadway Viacom International Inc. 1515 Broadway New York, NY New York, NY 10036 10036 Carol Melton Viacom Inc. Sr. VP, Government Affairs of Viacom International Inc. 1515 Broadway Viacom Inc. and Viacom 1515 Broadway New York, NY International Inc. New York, NY 10036 10036 William A. Roskin Viacom Inc. Sr. VP, Human Resources and Viacom International Inc. 1515 Broadway Administration of Viacom Inc. 1515 Broadway New York, NY and Viacom International Inc. New York, NY 10036 10036 Martin Shea Viacom Inc. Sr. VP, Investor Relations of Viacom International Inc. 1515 Broadway Viacom Inc. and Viacom 1515 Broadway New York, NY International Inc. New York, NY 10036 10036 George S. Smith, Viacom Inc. Sr. VP, Chief Financial Viacom International Inc. Jr. 1515 Broadway Officer of Viacom Inc. and 1515 Broadway New York, NY Viacom International Inc. New York, NY 10036 10036
Directors --------- George S. Abrams Winer & Abrams Attorney Winer & Abrams 60 State Street 60 State Street Boston, MA 02109 Boston, MA 02109 Ken Miller Credit Suisse First Boston Vice Chairman of Credit Suisse First Boston Corporation Credit Suisse First Corporation 11 Madison Avenue Boston Corporation 11 Madison Avenue 22nd Floor 22nd Floor New York, NY 10010 New York, NY 10010
Page 10 of 15
Schedule II Continued Brent D. Redstone c/o Showtime Networks Inc. Director of National National Amusements, Inc. 8101 E. Prentice Avenue Amusements, Inc. 200 Elm Street Suite 704 Dedham, MA 02026 Englewood, CO 80111 Shari Redstone National Amusements, Inc. Executive Vice President National Amusements, Inc. 200 Elm Street and Director of National 200 Elm Street Dedham, MA 02026 Amusements, Inc. Dedham, MA 02026 Frederic V. Bell Atlantic Corporation Vice Chairman--Finance Bell Atlantic Corporation Salerno 1095 Avenue of the Americas and Business Development 1095 Avenue of the Americas New York, NY 10036 of Bell Atlantic New York, NY 10036 Corporation William Schwartz Yeshiva University VP for Academic Affairs Yeshiva University 2495 Amsterdam Avenue (Chief Academic Officer) 2495 Amsterdam Avenue Yew York, NY 10033 of Yeshiva University New York, NY 10033 Ivan Seidenberg Bell Atlantic Corporation Chairman of the Board Bell Atlantic Corporation 1095 Avenue of the Americas and Chief Executive 1095 Avenue of the Americas New York, NY 10036 Officer of Bell Atlantic New York, NY 10036 Corporation
Page 11 of 15 EXHIBIT INDEX ------------- Exhibit No. Description - - ----------- ----------- 99.1 Stock Purchase Agreement, dated February 7, 1998, between Viacom International Inc.and THOMSON multimedia S.A. 99.2 Agreement between Viacom International Inc. and Sumner M. Redstone pursuant to Rule 13d-1(f)(1)(iii). Page 12 of 15
                                  Exhibit 99.1
                                  ------------



Viacom International Inc.                         THOMSON multimedia S.A.
1515 Broadway                                     46 quai A.LE  GALLO
New York, New York  10036                         92648  BOULOGNE
                                                  CEDEX, France


                                LETTER AGREEMENT

                                                                February 7, 1998

Dear Sirs:

          We write to confirm the  agreement  between  THOMSON  multimedia  S.A.
("Thomson") and Viacom  International Inc. ("Viacom") regarding the purchase and
sale of shares of  ordinary  shares,  $.01 par  value  per share  (the  "Gemstar
Ordinary Shares") of Gemstar International Group Limited ("Gemstar") from Viacom
to Thomson (referred to herein as the "Letter Agreement") as follows:

          WHEREAS,  Viacom is the holder of certain  shares of Gemstar  Ordinary
Shares; and

          WHEREAS,  Thomson  desires to purchase  the 600,000  shares of Gemstar
Ordinary  Shares  owned by Viacom  and  Viacom  desires  to sell such  Shares to
Thomson.

          WHEREAS, NOW, THEREFORE,  for good and valuable consideration,  Viacom
and Thomson agree as follows:

          1.  Sale of the  Gemstar  Ordinary  Shares  from  Viacom  to  Thomson;
Purchase  Price.  Viacom hereby  agrees to sell,  convey and transfer to Thomson
600,000 Gemstar Ordinary Shares (the "Sale Shares").  As  consideration  for the
600,000 Gemstar  Ordinary  Shares,  Thomson agrees to pay Viacom  $19,200,000.00
(equal to $32.00 per share of Gemstar Ordinary Shares).

Viacom will deliver the  certificate(s)  representing  Sale Shares to Thomson in
its offices or the offices of its agent or other  designee in the United  States
against  payment of the purchase  price in immediately  available  funds by wire
transfer to the order of Viacom,  to an account  specified by Viacom,  with such
payment to be made on February  12, 1998 at 10:00 a.m.,  New York City time,  or
such other time and place as the parties hereto determine.

          2. Representations and Warranties.

               a.   Thomson. Thomson represents and warrants to Viacom that:

                    (i)       the  execution,  delivery and  performance of this
                              Letter Agreement and the transactions contemplated
                              hereby are within  its  corporate  powers and this
                              Letter  Agreement has been duly  authorized by all
                              necessary  corporate  action and duly executed and
                              delivered on its behalf; and

                    (ii)      Thomson  is not  acquiring  the  Sale  Shares  for
                              resale  with a  view  to or in  connection  with a
                              distribution of such Sale Shares.


                                 Page 13 of 15



               b.   Viacom. Viacom represents and warrants to Thomson that:

                    (i)       the  execution,  delivery and  performance of this
                              Letter Agreement and the transactions contemplated
                              hereby are within  its  corporate  powers and this
                              Letter  Agreement has been duly  authorized by all
                              necessary  corporate  action and duly executed and
                              delivered on its behalf. .

                    (ii)      Viacom has all right, title and interest in, under
                              and  to  the  Sale  Shares,  and,  other  than  as
                              contemplated by this Letter Agreement,  Viacom has
                              not pledged,  hypothecated or otherwise encumbered
                              the  Sale  Shares  nor has  Viacom  contracted  or
                              otherwise  agreed  to sell,  transfer,  assign  or
                              otherwise agreed to dispose of the Sale Shares nor
                              has Viacom  contracted  to or otherwise  agreed to
                              any such pledge, hypothecation, or encumbrance.

          3. Securities  Laws.  Viacom and Thomson hereby  acknowledge and agree
that the transactions  contemplated hereunder have not been registered under the
United States Securities Act of 1933, as amended,  and the rules and regulations
thereunder (the  "Securities  Act"),  or any state or other  securities laws and
that the  transfer  of the Sale  Shares was  conducted  pursuant  to one or more
exemptions under the Securities Act, or state or other securities laws.  Thomson
acknowledges that the Sale Shares may not be sold without registration under the
Securities Act and state or other  securities  laws and that the  certificate(s)
representing  the Sale  Shares  have  one or more  restrictive  legends  affixed
thereto.

          4. Governing Law;  Venue.  This Letter  Agreement shall be governed by
the laws of the State of New York, and the sale of the Gemstar  Ordinary  Shares
shall be deemed to have occurred in the State of New York.


IN WITNESS  WHEREOF,  the parties have entered into this Letter  Agreement as of
the date first set forth above.


THOMSON multimedia S.A.


By:  --------------------------
         Name:
         Title:


Viacom International  Inc.


By:  --------------------------
         Name:
         Title:



                                  Exhibit 99.2
                                  ------------

          Pursuant  to Rule  13d-1(f)(1)(iii)  of the  Securities  and  Exchange
Commission  under the Securities  Exchange Act of 1934, as amended,  each of the
undersigned agrees that the statement to which this Exhibit is attached is filed
on its behalf.


February 13, 1998                   Viacom International Inc.


                                    By:      /s/  Michael D. Fricklas
                                             --------------------------
                                    Name:    Michael D. Fricklas
                                    Title:   Senior Vice President



                                             /s/  Sumner M. Redstone
                                             ----------------------------
                                             Sumner M. Redstone,
                                             Individually




                                 Page 15 of 15