An astronaut goes into space with a chimpanzee. When they return to Earth after their orbit, it is discovered that the chimp has the brains of the astronaut, and the astronaut has the brains of the chimp. Complications ensue.
Frankie Avalon
Deborah Walley
Cesar Romero
Fred Clark
Gale Gordon
Harvey Lembeck
John Ashley
Buster Keaton
Reginald Gardiner
Pat Buttram
Eve Arden
Romo Vincent
Donna Loren
Michael Nader
Edward Faulkner
Norman Grabowski
Tod Windsor
Patti Chandler
Luree Holmes
Mary Hughes
Salli Sachse
Bobbie Shaw Chance
Sue Hamilton
Ed Reimers
John Hiestand
Ray Atkinson
Bob Harvey
Jerry Brutsche
Andy Romano
Don Edwards
Bruce Baker
Ray Sittin
Taggart Casey
Jo Collins
Astrid De Brea
Jean Ingram
Peggy Ward
Stephanie Nader
Lyzanne La Due
Janice Levinson
Alberta Nelson
Sallie Dornan
Dwayne Hickman