"Johnny Casar runs away from the orphanage to start a successful career as a roller skater and after setbacks learns to curb his ruthlessness and ambition."
Mickey Rooney
as Johnny Casar
Pat O’Brien
as Father O'Hara
Beverly Tyler
as Mary Reeves
James Brown
as Allen
Ralph Dumke
as Bruno Crystal
Milburn Stone
as Jeff Davis
Bert Begley
as Shilling
Marilyn Monroe
as Polly
Sam Flint
as Dr. Barton
Glenn Corbett
as Mack Miller
John Hedloe
as Ullman
James Anderson
as Strong Arm Man (uncredited)
Al Hill
as Policeman (uncredited)
Lois James
as Roller Derby Girl (uncredited)
Kenner G. Kemp
as Roller Derby Spectator (uncredited)
Frank Mills
Tay Garnett
Director
Writer
Horace McCoy
Bert E. Friedlob
Producer
Victor Young
Original Music Composer
Lester White
Director of Photography
Frank Sullivan
Editor
Van Nest Polglase
Art Direction
Agnes Flanagan
Hairstylist
Ed Voight
Makeup Supervisor
Joe Popkin
Production Manager
Charles Kerr
Assistant Director
William R. Fox
Sound Engineer
Richard Staub
Wardrobe Master
Sam Benson
Wardrobe Supervisor
David Chudnow
Music Supervisor
Sidney Cutner
Orchestrator
Leo Shuken
Music Director