Synopsis

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.

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

No photo

Gene Whittington

Marine Captain

Donald Elson

Curator

No photo

Bill Bonds

TV Newscaster

Army Archerd

Referee

James Bacon

General Faulkner

Ricardo Montalban

Armando

John Alderman

Marine Corporal (uncredited)

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