- John Darrow
- Knockout Frankie (Rocky) Morgan
- Merna Kennedy
- Mary Wilson
- Natalie Moorhead
- Babe
- Mickey Rooney
- Arthur Wilson
- Matthew Betz
- Flash McQuaid
- J. Carrol Naish
- Undetermined Role
- Hank Mann
- Tugboat
- Virginia True Boardman
- Mrs. Wilson
- George Chesebro
- Thug
- Gordon De Main
- Ed Miller
- Billy Engle
- Flash's Little Man
- Kit Guard
- Kelly
- Frank LaRue
- John Wilson
- Marian Mansfield
- Torch Singer
- Robert McKenzie
- Champ's Manager
- George Morrell
- Fight Announcer
- Jack Mower
- Club Manager
- Rose Plumer
- Concerned Neighbor
- Bud Pope
- Police Car Driver
- Dorothy Vernon
- Wilson's Maid
