The world is shocked by the appearance of two talking chimpanzees, who arrived mysteriously in a U.S. spacecraft. They become the toast of society; but one man believes them to be a threat to the human race.
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 |
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