Human astronauts Burke and Virdon, with their chimp companion Galen, are forced to become involved in the strange gladiatorial games of the district run by prefect Tolar. The trio escape the gorilla police and find an abandoned government research project with a computer containing a vast amount of recording information about the old human-ruled world. [The second of five telefilms edited from episodes of the 1974 TV series; this film combines the episodes "The Gladiators" and "The Legacy"]
as Galen
as Alan Virdon
as Peter Burke
as Tolar
as Barlow
as Dalton
as Arn
as Kraik
as Gorilla Captain
as Urko
as Zaius
as Man
as Gorilla Sergeant
as Gorilla
as 1st Gorilla
as 2nd Gorilla
as Scientist
as Gorilla Sergeant
as Human
as Jason