Release Date | 1971-05-20 |
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Runtime | 98 minutes |
Genres | Action, Science Fiction |
Stars | Roddy McDowall, Kim Hunter, Bradford Dillman, Natalie Trundy, Eric Braeden |
Directors | William J. Creber, Jerry Goldsmith, Pierre Boulle, Joseph F. Biroc, Howard A. Anderson III |
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.