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.
Released: May 20, 1971
Runtime: 98 minutes
Genre: Action, Science Fiction
Stars: Roddy McDowall, Kim Hunter, Bradford Dillman, Natalie Trundy, Eric Braeden, William Windom
Crew: William J. Creber (Art Direction), Jack Martin Smith (Art Direction), Stuart A. Reiss (Art Direction), Jerry Goldsmith (Original Music Composer), Pierre Boulle (Characters), Walter M. Scott (Art Direction)