

Plot
The world is shocked by the appearance of three talking chimpanzees, who arrived mysteriously in a spacecraft. Intrigued by their intelligence, humans use them for research - until the apes attempt to escape.
Cast

Roddy McDowall
Cornelius

Kim Hunter
Dr. Zira

Bradford Dillman
Dr. Lewis Dixon

Natalie Trundy
Dr. Stephanie 'Stevie' Branton

Eric Braeden
Dr. Otto Hasslein

William Windom
The President

Sal Mineo
Dr. Milo

Albert Salmi
E-1

Jason Evers
E-2

John Randolph
Committee Chairman

Harry Lauter
General Winthrop

M. Emmet Walsh
Aide
Crew
Jerry Goldsmith
Original Music Composer
Joseph F. Biroc
Director of Photography
Don Taylor
Director
Paul Dehn
Screenplay
Arthur P. Jacobs
Producer
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