Timothy Farrell as Umberto Scalli

Peaches Page as 'Peaches' Page

Clara Mortensen as Clara Mortensen, World Champion

Rita Martínez as Rita Martinez, Champion of Mexico

Muriel Gardner as Ruby McKenzie

Don Ferrara as Joe the Jockey

Matt Douglas as Ronnie, a Mobster

Paul Merton as Monk, the Book-keeper

Bruce Spencer as Eddie, a Gangster

Tony Zarro as Lefty, a Mobster

Mary Jean Walker as Jackie, a Bookie

William Lamont as Senate Investigator

Phil Bernard as Mr. Big, the Gang Leader

Jimmy Lennon Sr. as Jimmy Lennon

Phil Solomon as Phil Solomon, Wrestling Referee

Doris Ives as Beverly, an Unemployed

The Leopard Lady as Woman Wrestler (uncredited)