Erich von Stroheim as The Great Flamarion

Mary Beth Hughes as Connie Wallace

Dan Duryea as Al Wallace

Steve Barclay as Eddie Wheeler

Lester Allen as Tony

Esther Howard as Cleo

Michael Mark as Nightwatchman

William A. Boardway as Audience Member (uncredited)

Jack Chefe as Hotel Desk Clerk (uncredited)

Kay Deslys as Sally Hampton (uncredited)

Alphonso DuBois as Stagehand (uncredited)

John Elliott as Theatrical Agent (uncredited)

Jack Evans as Vagrant on Park Bench (uncredited)

Franklyn Farnum as Stage Manager (uncredited)

Tony Ferrell as Mexican Singer (uncredited)

Charles Fogel as Audience Member (uncredited)

Joseph Granby as Detective Ramirez (uncredited)

Bobby Hale as Pawn Shop Clerk (uncredited)

John Hamilton as Coroner (uncredited)

Sam Harris as Man at Coroner's Inquest (uncredited)

Thelma Hart as Bit (uncredited)

Ethelreda Leopold as Coroner's Inquest Spectator (uncredited)

Robert Locke Lorraine as Audience Member (uncredited)

Carmen López as Mexican Dancer (uncredited)

Alex Melesh as Actor Playing Bellhop in Stage Sketch (uncredited)

Leo Mostovoy as French Entertainer (uncredited)

Jack O'Shea as Stagehand (uncredited)

Tony Roux as Vaudevillian (uncredited)

Charles Soldani as Audience Member (uncredited)

Fred Velasco as Mexican Dancer (uncredited)

Florence Wix as Audience Member (uncredited)