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                                                                     EXHIBIT 9.7

                               FIRST AMENDMENT TO
                          HOLLYWOOD CASINO CORPORATION
                             VOTING TRUST AGREEMENT
                             ----------------------

     THIS FIRST AMENDMENT TO HOLLYWOOD CASINO CORPORATION VOTING TRUST AGREEMENT
(the "First Amendment") is made and entered into by and among CAROLYN S. HICKEY,
DIANA PRATT-WYATT (FORMERLY DIANA L. HEISLER) and SHARON R. NAFTEL (FORMERLY
SHARON R. NASH) (the "Shareholders") and EDWARD T. PRATT III (the "Proxy").

                                    RECITALS
                                    --------

     WHEREAS, the Shareholders and the Proxy entered into that certain Hollywood
Casino Corporation Voting Trust Agreement dated effective as of December 29,
1998 (the "Agreement"; all capitalized terms used but not otherwise defined
herein shall have the meanings specified in the Agreement), providing, among
other things, for the assignment by the Shareholders to the Proxy of the
Shareholders' voting and certain other rights incident to certain shares of
Class A Common Stock of Hollywood Casino Corporation in accordance with the
Agreement; and

     WHEREAS, the Shareholders and the Proxy now desire to amend the Agreement
to provide for the extension of the Term of the Agreement.

                                   AGREEMENTS
                                   ----------

     NOW, THEREFORE, in consideration of the mutual covenants contained herein,
the Shareholders and the Proxy hereby agree to amend the Agreement as follows:

     1.   Section 7(a) of the Agreement is amended in its entirety to read as
          follows:

               (a)  Effective Date and Term. This Agreement shall become
                    effective as of December 28, 1998 and shall continue until
                    December 31, 2004, unless terminated as provided in
                    Paragraph 7(b) of this Agreement (the "Term").

     2.   Except as amended by this First Amendment, the Agreement shall be and
          remain in full force and effect in accordance with its original terms.

     3.   This First Amendment may be executed in multiple counterparts each of
          which shall constitute an original and all of which taken together
          shall constitute one and the same instrument.

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     EXECUTED effective as of the 30th day of December, 2001.


                              /s/ Carolyn S. Hickey
                              --------------------------------------------------
                              Carolyn S. Hickey, Shareholder


                              /s/ Diana Pratt-Wyatt
                              --------------------------------------------------
                              Diana Pratt-Wyatt (formerly Diana L. Heisler),
                              Shareholder


                              /s/ Sharon R. Naftel
                              --------------------------------------------------
                              Sharon R. Naftel (formerly Sharon R. Nash),
                              Shareholder


                              /s/ Edward T. Pratt III
                              --------------------------------------------------
                              Edward T. Pratt III, Proxy

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