| Person | Type | Job | Role(s) |
|---|---|---|---|
 Albert S. D'Agostino | Crew | Art | Art Direction |
 Dane Lussier | Crew | Writing | Screenplay |
Darrell Silvera | Crew | Art | Set Decoration |
George E. Diskant | Crew | Camera | Director of Photography |
 Gordon Douglas | Crew | Directing | Director |
Herman Schlom | Crew | Production | Producer |
 John Anderson | Crew | Directing | Assistant Director |
Luci Ward | Crew | Writing | Story |
Lucius O. Croxton | Crew | Art | Art Direction |
Paul Sawtell | Crew | Sound | Music |
Phil Ohman | Crew | Sound | Music |
Philip Martin | Crew | Editing | Editor |
Robert E. Kent | Crew | Writing | Screenplay |
Russell A. Cully | Crew | Crew | Special Effects |
Shelby Willis | Crew | Art | Set Decoration |
Sid Rogell | Crew | Production | Executive Producer |
Chester Gould | Crew | Writing | Characters |
Roy Granville | Crew | Sound | Sound |
Robert H. Guhl | Crew | Sound | Sound |
 Anne Jeffreys | Cast | Actress | Tess Trueheart / Blythe Belmonte |
Bill Wallace | Cast | Actor | Doorman (uncredited) |
 Byron Foulger | Cast | Actor | Simon Little, Sparkle's Diamond Cutter |
 Dick Wessel | Cast | Actor | Harry 'Cueball' Lake |
 Dorothy Granger | Cast | Actress | Leeds (uncredited) |
 Douglas Walton | Cast | Actor | Percival Priceless, Antique Store Owner |
 Eddie Borden | Cast | Actor | Drunk (uncredited) |
 Esther Howard | Cast | Actress | Filthy Flora, Dripping Dagger Proprietor |
 Frank Mills | Cast | Actor | Drunk (uncredited) |
 Fred Aldrich | Cast | Actor | Ship Officer (uncredited) |
 George Barrows | Cast | Actor | Crewman (uncredited) |
 Harry Cheshire | Cast | Actor | Jules Sparkle |
 Ian Keith | Cast | Actor | Vitamin Flintheart |
 Jack Cheatham | Cast | Actor | Cop (uncredited) |
 Jason Robards Sr. | Cast | Actor | Captain (uncredited) |
Jimmy Crane | Cast | Actor | Junior |
 Joseph Crehan | Cast | Actor | Chief Brandon |
 Kit Guard | Cast | Actor | Bar Customer (uncredited) |
 Lee Frederick | Cast | Actor | Purser (uncredited) |
 Lyle Latell | Cast | Actor | Pat Patton |
 Max Wagner | Cast | Actor | Bartender (uncredited) |
 Milton Parsons | Cast | Actor | Higby |
 Morgan Conway | Cast | Actor | Dick Tracy |
Perc Launders | Cast | Actor | Telephone Operator (uncredited) |
Phil Warren | Cast | Dr. Martin (uncredited) | |
 Ralph Dunn | Cast | Actor | Policeman (uncredited) |
Raoul Freeman | Cast | Actor | Policeman (uncredited) |
 Rita Corday | Cast | Actress | Mona Clyde, Sparkle's Secretary |
 Robert Bray | Cast | Actor | Steve (uncredited) |
 Robert Milasch | Cast | Actor | Bar Customer (uncredited) |
 Skelton Knaggs | Cast | Actor | Rudolph |
 Trevor Bardette | Cast | Actor | Abbott |
 William Newell | Cast | Actor | Piano Player (uncredited) |
Mike Morelli | Cast | Actor | Bar Customer (uncredited) |
Jimmy Clemons Jr. | Cast | Butch | |
| Person | Type | Job | Role(s) |
