| Person | Type | Job | Role(s) |
|---|---|---|---|
 Archie Marshek | Crew | Editing | Editor |
Bertram C. Granger | Crew | Art | Set Decoration |
Buddy G. DeSylva | Crew | Production | Executive Producer |
Don Johnson | Crew | Sound | Sound Recordist |
 Edith Head | Crew | Costume & Make-Up | Costume Design |
 Fritz Lang | Crew | Directing | Director |
 Graham Greene | Crew | Writing | Novel |
Hal Pereira | Crew | Art | Art Direction |
Hans Dreier | Crew | Art | Art Direction |
Henry Sharp | Crew | Camera | Director of Photography |
 Miklós Rózsa | Crew | Crew | Additional Music |
 Seton I. Miller | Crew | Writing | Screenplay, Associate Producer |
 Victor Young | Crew | Sound | Original Music Composer |
W.C. Smith | Crew | Sound | Sound Recordist |
 Wally Westmore | Crew | Costume & Make-Up | Makeup Artist |
 Alan Napier | Cast | Actor | Dr. Forrester |
 Aminta Dyne | Cast | Actress | Mrs. Bellane #1 - fortune teller (uncredited) |
 Byron Foulger | Cast | Actor | Mr. Newby (uncredited) |
 Carl Esmond | Cast | Actor | Willi Hilfe |
 Colin Kenny | Cast | Actor | Scotland Yard Man (uncredited) |
Connie Leon | Cast | Actress | lady Purchaser of Cake (uncredited) |
 Dan Duryea | Cast | Actor | Cost aka Travers the tailor |
 Erskine Sanford | Cast | Actor | George Rennit, private investigator |
Evelyn Beresford | Cast | Actress | Fat Lady at Charity Bazaar (uncredited) |
 Frank Baker | Cast | Actor | Scotland Yard Man (uncredited) |
Harry Allen | Cast | Actor | Tailor's Delivery Man (uncredited) |
 Hillary Brooke | Cast | Actress | Mrs. Bellane #2, spiritualist |
 Marjorie Reynolds | Cast | Actress | Carla Hilfe |
 Ottola Nesmith | Cast | Actress | Woman at Admission Gate (uncredited) |
 Percy Waram | Cast | Actor | Inspector Prentice |
 Ray Milland | Cast | Actor | Stephen Neale |
Vangie Beilby | Cast | Old Lady at Charity Bazaar (uncredited) | |
| Person | Type | Job | Role(s) |
