Jalan Cerita:
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.

Pemain:

Roddy McDowall Cornelius

Kim Hunter Dr. Zira

Bradford Dillman Dr. Lewis Dixon

Natalie Trundy Dr. Stephanie 'Stevie' Branton

Eric Braeden Dr. Otto Hasslein