Générique complet
Prison Shadows
Edward Nugent
Gene Harris
Lucille Lund
Claire Thomas
Joan Barclay
Mary Comstock
Forrest Taylor
George Miller
Syd Saylor
Dave Moran
Monte Blue
Bert McNamee
John Elliott
The Police Captain
John Cowell
Graham - Murphy's Manager
Willard Kent
Veterinarian
Walter O'Keefe
John Halligan - Referee
Corky
Babe, Gene's Dog
Vane Calvert
Waitress (uncredited)
Jack Cheatham
Cop (uncredited)
Richard Cramer
Ring Announcer / Prison Guard (uncredited)
Lloyd Ingraham
The Prison Warden (uncredited)
Murdock MacQuarrie
Fight Fan (uncredited)
William McCall
Prison Inmate (uncredited)
Pat McKee
Prison Fight Ring Opponent (uncredited)
Fred Parker
Arena Watchman (uncredited)
Arthur Thalasso
Coroner (uncredited)
Dorothy Vernon
Waitress at Tea Room (uncredited)
Martha Wentworth
Mrs. Murphy (uncredited)
Blackie Whiteford
Fight Second (uncredited)
Donald Kerr
The Sportscaster (uncredited)