Amateur and professional bodybuilders prepare for the 1975 Mr. Olympia and Mr. Universe contests as five-time champion Arnold Schwarzenegger defends his Mr. Olympia title against Serge Nubret and the shy young Lou Ferrigno.

Top Cast

Arnold SchwarzeneggerSelf

Lou FerrignoSelf

Mike KatzSelf

Serge NubretSelf

Franco ColumbuSelf

Ed CorneySelf

Ken WallerSelf

Robbie RobinsonSelf