Summary
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.
Similar movies
Cast
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
Jason Evers
E-2
John Randolph
Committee Chairman
Harry Lauter
General Winthrop
M. Emmet Walsh
Aide
Roy Glenn
Lawyer (as Roy E. Glenn Sr.)
Peter Forster
Cardinal
Norman Burton
Army Officer
William Woodson
Naval Officer
Tom Lowell
Orderly
Donald Elson
Curator
James Bacon
General Faulkner
Ricardo Montalban
Armando
John Alderman
Marine Corporal (uncredited)
Alan Baxter
General (uncredited)
Jack Berle
Secretary of State (uncredited)
Paul Bradley
Official at Briefing (uncredited)
Sam Chew Jr.
Undetermined (uncredited)
Walker Edmiston
Talking Baby Chimp (uncredited) (voice)
Bob Harks
Aide (uncredited)
Linda Harrison
Nova (archive footage) (uncredited)
Elizabeth Harrower
Reporter at Hotel (uncredited)
Shep Houghton
Bystander (uncredited)
Robert Nichols
Reporter (uncredited)
James B. Sikking
Control Room Officer (uncredited)
Arthur Tovey
Official at Briefing (uncredited)
William Tregoe
Hotel Receptionist (uncredited)
William Beckley
British News Anchor (uncredited)