| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arthur Lueker | Crew | Directing | Assistant Director |
 Bryan Foy | Crew | Production | Associate Producer |
Charles Novi | Crew | Art | Art Direction |
Frederick Nebel | Crew | Writing | Characters |
Frederick Richards | Crew | Editing | Editor |
George Bricker | Crew | Writing | Screenplay |
 Hal B. Wallis | Crew | Production | Executive Producer |
Howard Jackson | Crew | Sound | Original Music Composer |
Howard Shoup | Crew | Costume & Make-Up | Costume Design |
 Jack L. Warner | Crew | Production | Executive Producer |
Murray Leinster | Crew | Writing | Story |
Warren Lynch | Crew | Camera | Director of Photography |
 William Beaudine | Crew | Directing | Director |
Lincoln Lyons | Crew | Sound | Sound |
Alice Connors | Cast | Maid (uncredited) | |
 Anderson Lawler | Cast | Actor | Allan Fitzhugh |
 Barton MacLane | Cast | Actor | Det. Lt. Steve 'Mac' McBride |
Beal Wong | Cast | Actor | Chinese Entertainer (uncredited) |
Bruce Mitchell | Cast | Actor | Officer Tim, at car crash (uncredited) |
 Bud Geary | Cast | Actor | Trooper (uncredited) |
Cliff Saum | Cast | Actor | Detective Larry (uncredited) |
Eddie Lee | Cast | Chinese Waiter (uncredited) | |
 Eddy Chandler | Cast | Actor | State Police Captain |
 Edmund Mortimer | Cast | Actor | Dowager's Husband (uncredited) |
Eric Wilton | Cast | Actor | Butler (uncredited) |
 Frank Mayo | Cast | Actor | Officer (uncredited) |
 Frank Shannon | Cast | Actor | Police Capt. McTavish |
Fred Rapport | Cast | Actor | Man at Funeral (uncredited) |
 George Guhl | Cast | Actor | Desk Sergeant |
 Glenda Farrell | Cast | Actress | Torchy Blane |
Gordon Hart | Cast | Actor | Minister (uncredited) |
 Henry O'Neill | Cast | Actor | Sen. H. Baldwin |
 Jack Mower | Cast | Actor | Bill (uncredited) |
Jack Wise | Cast | Actor | Party Guest (uncredited) |
 James Stephenson | Cast | Actor | Dr. Mansfield |
 Janet Shaw | Cast | Actress | Janet Baldwin |
Joe Cunningham | Cast | Actor | Editor Maxie (uncredited) |
 John Harron | Cast | Actor | Chauffeur (uncredited) |
 John J. Richardson | Cast | Actor | Party Guest (uncredited) |
 John Ridgely | Cast | Actor | Officer (uncredited) |
 Lee Phelps | Cast | Actor | Detective (uncredited) |
 Leo White | Cast | Actor | Waiter (uncredited) |
 Patric Knowles | Cast | Actor | Capt. Condon |
 Paul Panzer | Cast | Actor | Store Clerk (uncredited) |
 Richard Bond | Cast | Actor | Richard Staunton |
Roger Gray | Cast | Actor | Cemetery Gateman (uncredited) |
 Sol Gorss | Cast | Actor | Cab Driver (uncredited) |
 Stuart Holmes | Cast | Actor | Club Member / Party Guest (uncredited) |
 Tetsu Komai | Cast | Actor | Lem Kee (uncredited) |
 Tom Kennedy | Cast | Actor | Det. Sgt. Gahagan |
 Vera Lewis | Cast | Actress | Dowager (uncredited) |
 Victor Sen Yung | Cast | Actor | Chinese Entertainer with Sword |
Charles H. Hickman | Cast | Actor | Officer Mike, at car crash (uncredited) |
| Person | Type | Job | Role(s) |
