Kim Neil (uncredited)
Krystyna Marr Russian Scientist (uncredited)
Péter Delmár Ape
Julie Croft (uncredited)
Jane Pearl (uncredited)
Joe Refalo Ape
Scott MacKee Ape
David Hines Ape
Mike Lovell Astronaut
Andy Wallace Ape
Brian Hawley Ape
Laurence Marchant Ape
Ann Bormann (uncredited)
Jonathan Daw Ape
S. Newton Anderson Young Man (uncredited)
John Jordan Ape
David Fleetwood Ape
Jimmy Bell Ape
Irena Marr Russian Scientist (uncredited)
Penny Francis (uncredited)
John Ashley Ape
Martin Amor Interviewer (uncredited)
Penny Pearl (uncredited)
George Watts Assistant Camera