I can't believe no one has mentioned "Body Slam"
It fucking had Roddy Piper, Sam Fatu (aka Tonga Kid, Tama from The Islanders, and Samoan Savage from the SST..his brother is UMAGA), Lou Albano, Freddie Blassie, Bruno Sammartino, Shiek Al Kaissy, and Ric Flair!
Most wrestlers in a flick! :)