The Day of the Dolphin
movie

Unwittingly, he trained a dolphin to kill the president of the United States.
Released December 19, 1973
Overview
A marine biologist teaches his dolphins to communicate in English but shady characters plan to kidnap the trained mammals for a more sinister purpose.
Cast

George C. Scott
as
Jake Terrell

Trish Van Devere
as
Maggie Terrell

Paul Sorvino
as
Curtis Mahoney

Fritz Weaver
as
Harold DeMilo

John Dehner
as
Wallingford

Severn Darden
as
Schwinn

Elizabeth Wilson
as
Mrs. Rome

William Roerick
as
Dunhill
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Jon Korkes
as
David

Edward Herrmann
as
Mike

Leslie Charleson
as
Maryanne

Victoria Racimo
as
Lana
Crew

Mike Nichols
as
Director
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Larry Jost
as
Sound

Michael Haley
as
Second Assistant Director

Buck Henry
as
Screenplay
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Edwin Butterworth
as
Makeup Artist
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Sam O'Steen
as
Editor
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Del Acevedo
as
Makeup Artist
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Thomas J. Schmidt
as
Assistant Director
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Anthea Sylbert
as
Costume Design
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George R. Nelson
as
Set Decoration
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Tim Zinnemann
as
Production Manager

Georges Delerue
as
Original Music Composer