| Person | Type | Job | Role(s) |
|---|---|---|---|
 Eric Taylor | Crew | Writing | Writer |
George Van Marter | Crew | Art | Art Direction |
Hugh McDowell Jr. | Crew | Sound | Sound |
J. Donald Wilson | Crew | Writing | Story |
James S. Brown Jr. | Crew | Camera | Director of Photography |
Jerome Thoms | Crew | Editing | Editor |
 Kermit Maynard | Crew | Crew | Stunts |
Lucien Moraweck | Crew | Sound | Original Music Composer |
René Garriguenc | Crew | Sound | Original Music Composer |
Rudolph C. Flothow | Crew | Production | Producer |
Sidney Clifford | Crew | Art | Set Decoration |
 William Castle | Crew | Directing | Director |
 Chuck Hamilton | Crew | Crew | Stunts |
Richard Monroe | Crew | Directing | Assistant Director |
Wilbur Hatch | Crew | Sound | Original Music Composer |
 Alan Dinehart | Cast | Actor | Gorman |
 Byron Foulger | Cast | Actor | Flophouse Desk Clerk (Uncredited) |
 Charles Coleman | Cast | Actor | Jennings, Butler (Uncredited) |
 Charles Wagenheim | Cast | Actor | Man at Flophouse (Uncredited) |
 Clancy Cooper | Cast | Actor | Telephone Repairman (Uncredited) |
 Cy Kendall | Cast | Actor | Gus, Bartender (Uncredited) |
 Dick Gordon | Cast | Actor | Tomley's Assistant (Uncredited) |
 Don Costello | Cast | Actor | Lefty Vigran aka Gorss (Uncredited) |
 George Lloyd | Cast | Actor | Bill Tomley (Uncredited) |
 Gloria Stuart | Cast | Actress | Alice Walker |
 J. Carrol Naish | Cast | Actor | The Killer |
 Jack Ingram | Cast | Actor | Police Detective in Alley (Uncredited) |
 Joan Woodbury | Cast | Actress | Antoinette 'Toni' Vigran (Uncredited) |
 John George | Cast | Actor | Bum (Uncredited) |
Kermit Maynard | Cast | Actor | Detective at Dock (Uncredited) |
Otto Forrest | Cast | The Whistler (Uncredited) | |
 Pat O'Malley | Cast | Actor | Police Detective in Alley (Uncredited) |
 Ralph Dunn | Cast | Actor | Cop at Car Accident (Uncredited) |
 Richard Dix | Cast | Actor | Earl C. Conrad |
 Robert Emmett Keane | Cast | Actor | Charles 'Charlie' McNear (Uncredited) |
 Robert Homans | Cast | Actor | Dock Watchman (Uncredited) |
Roy Brent | Cast | Actor | Detective in Alley (Uncredited) |
Russell Custer | Cast | Actor | Bar Patron (Uncredited) |
 Trevor Bardette | Cast | Actor | The Bum in the Next Bed (Uncredited) |
 Walter Soderling | Cast | Actor | Man at Flophouse (Uncredited) |
 William Benedict | Cast | Actor | The Deafmute (Uncredited) |
Willie Bloom | Cast | Actor | Bum (Uncredited) |
| Person | Type | Job | Role(s) |
