"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
as Sergeant Deadhead / Sergeant Donovan
Deborah Walley
as Airman Lucy Turner
Cesar Romero
as Admiral Stoneham
Fred Clark
as General Fogg
Gale Gordon
as Captain Weiskopf
Harvey Lembeck
as Airman McEvoy
John Ashley
as Airman Filroy
Buster Keaton
as Airman Blinken
Reginald Gardiner
as Lt. Comm. Talbott
Pat Buttram
as The President
Eve Arden
as Lieutenant Kinsey
Romo Vincent
as Tuba Player
Donna Loren
as Susan
Michael Nader
as Air Policeman
Edward Faulkner
as Lt. Dixon
Norman Grabowski
Tod Windsor
as Sgt. Keeler
Patti Chandler
as Patti
Luree Holmes
as Luree
Mary Hughes
as W.A.F.
Salli Sachse
as Sue Ellen
Bobbie Shaw Chance
as Gilda
Sue Hamilton
as Ivy
Ed Reimers
as Newscaster
John Hiestand
Ray Atkinson
as Marine AP
Bob Harvey
as Bellhop
Jerry Brutsche
as Newspaper Vendor
Andy Romano
Don Edwards
Bruce Baker
Ray Sittin
Taggart Casey
as Barman
Jo Collins
as Gail
Astrid De Brea
Jean Ingram
Peggy Ward
Stephanie Nader
Lyzanne La Due
Janice Levinson
Alberta Nelson
Sallie Dornan
as Secretary
Dwayne Hickman
as Dwayne
Norman Taurog
Director
Louis M. Heyward
Writer
Anthony Carras
Co-Producer
Jack Bohrer
Production Supervisor
Floyd Crosby
Director of Photography
Al Simms
Music Supervisor
Jack Baker
Choreographer
Howard Campbell
Art Direction
Ronald Sinclair
Editor
Eve Newman
Fred R. Feitshans Jr.
Milton Lustig
Music Editor
James Nelson
Sound Editor
Gene Corso
Richard Bruno
Costume Supervisor
Roger George
Special Effects
Claude Binyon Jr.
Assistant Director
James H. Nicholson
Producer
Samuel Z. Arkoff
Les Baxter
Music