Cast
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.
Roddy McDowall (Acting)
Kim Hunter (Acting)
Bradford Dillman (Acting)
Natalie Trundy (Acting)
Eric Braeden (Acting)
William Windom (Acting)
Sal Mineo (Acting)
Albert Salmi (Acting)
Jason Evers (Acting)
John Randolph (Acting)
Harry Lauter (Acting)
M. Emmet Walsh (Acting)
Roy Glenn (Acting)
Peter Forster (Acting)
Norman Burton (Acting)
William Woodson (Acting)
Tom Lowell (Acting)
Donald Elson (Acting)
James Bacon (Acting)
Ricardo Montalban (Acting)
John Alderman (Acting)
Alan Baxter (Acting)
Jack Berle (Acting)
Sam Chew Jr. (Acting)
Walker Edmiston (Acting)
Bob Harks (Acting)
Linda Harrison (Acting)
Elizabeth Harrower (Acting)
Shep Houghton (Acting)
Robert Nichols (Acting)
Hank Robinson (Acting)
James B. Sikking (Acting)
Arthur Tovey (Acting)
William Tregoe (Acting)
William Beckley (Acting)
29 June 1972
15 June 1973
23 April 1970
5 September 1998
17 November 1980
1 October 2014
13 October 1960
24 March 1955
5 January 1951
20 January 1964
2 March 1974
9 February 2006
17 August 1979
20 December 1966
11 June 1980
28 January 2021
8 December 1983
7 September 2007
23 June 1971
20 May 1971