Directed by
| Jack Townley | ||
Writing Credits (in alphabetical order)
| Houston Branch | ||
| Octavus Roy Cohen | ... | (novel) |
| Earl Felton | ||
Cast (in credits order) complete, awaiting verification
| Billy Conn | ... | Billy Conn | |
| Jean Parker | ... | Patricia Mallory | |
| Dick Purcell | ... | Cliff Halliday | |
| Alan Baxter | ... | Joe Barton | |
| Veda Ann Borg | ... | Barbara Ellison | |
| Jonathan Hale | ... | Max Ellison | |
| Ernest Whitman | ... | Feets Johnson | |
| John Kelly | ... | Knockout Riley | |
| Etta McDaniel | ... | Magenta | |
| Dick Elliott | ... | Garvey | |
 |
John Harmon | ... | Morrie |
| Robert Barron | ... | Devlin | |
| Rest of cast listed alphabetically: | |||
|
|
Henry Armstrong | ... | Sparring Partner |
| Sam Balter | ... | Radio announcer (voice) | |
|
|
Arthur Donovan | ... | Referee (as Art Donovan) |
|
|
Jack Roper | ... | The Champ |
|
|
Freddie Steele | ... | Freddie Steel |
| Dan Tobey | ... | Fight announcer | |
| Edmund Cobb | ... | (uncredited) | |
| Donald Douglas | ... | (uncredited) | |
| William Forrest | ... | (uncredited) | |
|
|
Harrison Greene | ... | (uncredited) |
| Kit Guard | ... | (uncredited) | |
| Russell Hicks | ... | (uncredited) | |
| Nora Lane | ... | (uncredited) | |
| Charles Sullivan | ... | (uncredited) | |
|
|
William Telaak | ... | (uncredited) |
Produced by
| Armand Schaefer | ... | associate producer |
Music by
| Ross DiMaggio | ... | (uncredited) |
| Mort Glickman | ... | (uncredited) |
| Paul Sawtell | ... | (uncredited) |
Cinematography by
| Reggie Lanning | ||
Editing by
| Ernest J. Nims | ||
Art Direction by
| John Victor Mackay | ||
Makeup Department
| Abe Haberman | ... | makeup artist (uncredited) |
Production Management
| Al Wilson | ... | production manager |
Costume and Wardrobe Department
| Adele Palmer | ... | wardrobe |
| Eugene Joseff | ... | costume jeweller (uncredited) |
Editorial Department
| Murray Seldeen | ... | supervising editor |
Music Department
| Cy Feuer | ... | musical director / composer: stock music (uncredited) |
