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.

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
1,162 ratings. The score is reasonably stable but could shift up to 0.09 as more ratings come in.
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Release Date
May 20, 1971
Runtime
1h 38m
Rating
G
Genres
Action, Science Fiction
Director