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)
Paul Bradley (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
14 November 1986
13 July 2018
13 October 1960
24 March 1955
1 October 2014
5 January 1951
17 August 1979
9 February 2006
8 December 1983
11 June 1980
23 June 1971
28 January 2021
10 January 1999
13 January 1989
25 June 1971
1 July 1971
20 May 1971