| Person | Type | Job | Role(s) |
|---|---|---|---|
 Barré Lyndon | Crew | Writing | Theatre Play |
Charles Kenyon | Crew | Writing | Screenplay |
Eugene Zador | Crew | Sound | Orchestrator |
Ferrol Redd | Crew | Sound | Sound Recordist |
Garrett Fort | Crew | Writing | Adaptation |
Hans Dreier | Crew | Art | Art Direction |
Henry Sharp | Crew | Camera | Director of Photography |
 Miklós Rózsa | Crew | Sound | Original Music Composer |
Ralph Murphy | Crew | Directing | Director |
 Sam Comer | Crew | Art | Set Decoration |
Thomas Neff | Crew | Editing | Editor |
 Wally Westmore | Crew | Costume & Make-Up | Makeup Artist |
Walter H. Tyler | Crew | Art | Art Direction |
Walter MacEwen | Crew | Production | Producer |
John R. Coonan | Crew | Directing | Assistant Director |
Philip Wisdom | Crew | Sound | Sound Recordist |
 Al Ferguson | Cast | Actor | Bobby |
 Aminta Dyne | Cast | Actress | Lady Minerva Aldergate |
Arthur Blake | Cast | Man | |
Arthur Mulliner | Cast | Sir John Aldergate | |
Bobby Hale | Cast | Actor | Trawler Crewman (uncredited) |
 Brandon Hurst | Cast | Actor | Simpson |
Clive Morgan | Cast | Actor | Plainclothesman |
 Cyril Ring | Cast | Actor | Plainclothesman |
 Edmund Breon | Cast | Actor | Sir Humphrey Brandon |
Edward Cooper | Cast | Actor | Liveried Servant |
 Edward Fielding | Cast | Actor | Colonel Ashley |
 Ernie Adams | Cast | Actor | Porter |
 Eustace Wyatt | Cast | Actor | Inspector Lawson |
 Forrester Harvey | Cast | Actor | Harris |
 Frank Baker | Cast | Actor | Plainclothesman |
 Frank Hagney | Cast | Actor | Bobby (uncredited) |
 Frank Moran | Cast | Actor | Trawler Captain |
George Broughton | Cast | Morgue Official | |
 Gerald Oliver Smith | Cast | Actor | Pharmacy Clerk |
 Harry Cording | Cast | Actor | Bobby |
 Helen Walker | Cast | Actress | Eve Brandon |
John Power | Cast | Guard | |
 John Sheehan | Cast | Actor | Expressman |
 Konstantin Shayne | Cast | Actor | Dr. B.A. Vishanoff |
 Leyland Hodgson | Cast | Actor | Dr. G.B. Albertson |
 Matthew Boulton | Cast | Actor | Detective Inspector Ned Garth |
 Morton Lowry | Cast | Actor | Alan Guthrie |
 Nils Asther | Cast | Actor | Dr. Julian Karell |
Norman Ainsley | Cast | Actor | Butler in Brandon's Home |
 Paul Cavanagh | Cast | Actor | Dr. Henry Latimer |
 Reginald Sheffield | Cast | Actor | Art Expert at Party |
 Reinhold Schünzel | Cast | Actor | Dr. Kurt van Bruecken |
Robert Cory | Cast | Bobby (uncredited) | |
Robert R. Stephenson | Cast | Actor | Guard |
 Ted Billings | Cast | Actor | Man Sleeping on Bench |
 Wilson Benge | Cast | Actor | Morgue Official |
Donald Gallaher | Cast | Actor | Ticket Agent |
T. Arthur Hughes | Cast | Plainclothesman | |
| Person | Type | Job | Role(s) |
