| Person | Type | Job | Role(s) |
|---|---|---|---|
 Ben Winkler | Crew | Sound | Sound Engineer |
Edward Kaye | Crew | Writing | Dialogue |
Fred Bain | Crew | Editing | Editor |
Fulton Oursler | Crew | Writing | Story |
George R. Batcheller Jr. | Crew | Production | Executive In Charge Of Production |
Marcel Le Picard | Crew | Crew | Cinematography |
Martin Mooney | Crew | Writing | Screenplay |
 William Beaudine | Crew | Directing | Director |
 Barry Bernard | Cast | Actor | Capt. Edgar Walters / Frank Galloway |
Billy Mitchell | Cast | Actor | Nicodemus J. Brown |
 Byron Foulger | Cast | Actor | Everett P. Digberry |
Casey MacGregor | Cast | Police Sergeant Flanagan (as Casey McGregor) | |
Florence O'Brien | Cast | Petunia | |
 Frank Darien | Cast | Actor | Samuel Wilkins |
Trude Rosen | Cast | Actress | Nina Politza |
 Herbert Rawlinson | Cast | Actor | District Attorney Bill Dougherty |
Jacques Vanaire | Cast | Guiseppe Bartarelli (as Jack Vanaire) | |
 John Ince | Cast | Actor | Police Captain Mike Flynn |
Joseph DeVillard | Cast | Antonio Spogucci (as Joseph M. De Villard) | |
Lynn Starr | Cast | Actress | Miss Spencer |
Pat McKee | Cast | Actor | Joe Morgan |
 Rick Vallin | Cast | Actor | Anthony 'Tony' Abbot (as Ricki Vallin) |
Sam Lufkin | Cast | Actor | Lombardi's Police Escort (uncredited) |
 Sidney Blackmer | Cast | Actor | Police Commissioner Thatcher Colt |
Thornton Edwards | Cast | Actor | Enrico Lombardi |
 Walter James | Cast | Actor | Police Captain Tom Henry |
 Willy Castello | Cast | Actor | John Martin George (as William Castello) |
 Martin Ashe | Cast | Officer Murphy | |
Billy Snyder | Cast | Actor | Hotel Manager Stevens |
Harte Wayne | Cast | Coroner | |
| Person | Type | Job | Role(s) |
