- Frankie Darro
- 'Skipper' Murphy
- Dick Purcell
- 'Red' Murphy
- Judith Allen
- Ruth Lane
- Lillian Elliott
- Katie Murphy
- Don Rowan
- Bill Grogan
- William Ruhl
- Monk -Club Owner
- Lew Kelly
- Regan - Policeman
- Ralph Peters
- Blackie - Henchman
- Max Marx
- Britt - Henchman
- Jean Joyce
- Miss Grace - Radford's Nurse
- Cliff Howell
- Radio Commentator
- Joe Lynch
- Henchman
- Wilbur Mack
- 'Doc' Radford
- Ernie Adams
- Porky
- Max Davidson
- Mr. Morris
- Olin Francis
- Cafe Customer
- Joseph W. Girard
- The Real Dr. Churchill
- Kit Guard
- Gym Spectator
- Herman Hack
- Cafe Customer
- Harry Harvey
- 2nd Ring Announcer
- Jack Roper
- Killer Krause
