 |
Don 'Red' Barry as Mike O'Hara, "King Cobra" |
 |
Sheila Ryan as Janet 'J.L.' Brannigan |
 |
Tom Brown as Joe O'Hara |
 |
Joseph Crehan as Oscar Brannigan |
 |
John Cason as Tiger Johnson |
 |
Tony Canzoneri as Swinger Markham |
|
Joey Adams as Duke Hensel |
 |
William Edmunds as Professor Berger |
|
Edit Angold as Mama Berger |
 |
Margia Dean as Joy White |
|
Harry Brown as Fight Manager |
 |
Lyle Talbot as Radio Announcer |
 |
Michael Vallon as Bettor |
 |
Sam Flint as Doctor |
|
Frankie Van as Referee |
|
Dan Tobey as Fight Announcer |
|
James J. Casino as Boxer (uncredited) |
|
Ned Roberts as Fighter (uncredited) |
|
Jimmy Martin as Fight Second |
 |
Chester Clute as Timid Man |
 |
Jack Perry as Trainer (uncredited) |
|
John Breen as Fight Spectoator (uncredited) |
 |
Noble 'Kid' Chissell as Fight Spectator (uncredited) |
|
Bobby Henshaw as Fight Spectator (uncredited) |
 |
Charles Morton as Fight Spectator (uncredited) |
 |
Sol Murgi as Fight Spectator (uncredited) |
 |
Stanley Price as Fight Spectator (uncredited) |
|
Mark Plant as Gangster |
 |
Harvey Parry as Bit Role (uncredited) |
 |
Al Bain as Fight Spectator (uncredited) |
| Directing | Frank McDonald | Director |
| Sound | Glen Glenn | Sound |
| Writing | Daniel B. Ullman | Story |
| Directing | Austen Jewell | Assistant Director |
| Costume & Make-Up | Donald S. Wakeling | Costume Design |
| Sound | Walter Greene | Original Music Composer |
| Sound | Earl Snyder | Sound |
| Writing | Ron Ormond | Screenplay |
| Writing | Gloria Welsch | Dialogue |
| Sound | Edward Rebner | Musician |
| Art | Fred Preble | Art Direction |
| Crew | Ray Mercer | Special Effects |
| Production | June Carr Ormond | Associate Producer |
| Art | Ted Offenbecker | Set Decoration |
| Camera | Ernest Miller | Director of Photography |
| Directing | Moree Herring | Script Supervisor |
| Editing | Hugh Winn | Editor |
| Production | Robert L. Lippert | Executive Producer |
| Production | Ira Webb | Associate Producer |
| Production | Ron Ormond | Producer |
| Crew | Frankie Van | Technical Supervisor |
| Costume & Make-Up | Paul Stanhope | Makeup Artist |
| Camera | Archie R. Dalzell | Camera Operator |
| Production | Murray Lerner | Producer's Assistant |
