| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arthur Conan Doyle | Crew | Writing | Story |
 Charles Previn | Crew | Sound | Music Director |
Edmund L. Hartmann | Crew | Writing | Screenplay |
Edward T. Lowe Jr. | Crew | Writing | Screenplay, Adaptation |
 Frank Skinner | Crew | Sound | Original Music Composer |
Hans J. Salter | Crew | Sound | Music |
Howard Benedict | Crew | Production | Associate Producer |
Jack Otterson | Crew | Art | Art Direction |
Lester White | Crew | Camera | Director of Photography |
Otto Ludwig | Crew | Editing | Editor |
 Richard Hageman | Crew | Sound | Music |
 Roy William Neill | Crew | Directing | Director |
Russell A. Gausman | Crew | Art | Set Decoration |
Scott Darling | Crew | Writing | Screenplay, Adaptation |
Vera West | Crew | Costume & Make-Up | Costume Design |
 Basil Rathbone | Cast | Actor | Sherlock Holmes |
 Colin Kenny | Cast | Actor | Scotland Yard Detective (uncredited) |
 Dennis Hoey | Cast | Actor | Inspector Lestrade |
George Burr Macannan | Cast | Gottfried (uncredited) | |
 Harry Cording | Cast | Actor | Jack Brady (uncredited) |
 Harry Woods | Cast | Actor | Kurt (uncredited) |
 Henry Victor | Cast | Actor | Professor Frederic Hoffner (uncredited) |
 Holmes Herbert | Cast | Actor | Sir Reginald |
John Burton | Cast | Actor | RAF Officer (uncredited) |
 Kaaren Verne | Cast | Actress | Charlotte Eberli |
 Lionel Atwill | Cast | Actor | Moriarty |
 Mary Gordon | Cast | Actress | Mrs. Hudson |
 Nigel Bruce | Cast | Actor | Doctor Watson |
 Paul Bryar | Cast | Actor | Swiss Waiter (uncredited) |
 Paul Fix | Cast | Actor | Mueller (uncredited) |
 Rudolph Anders | Cast | Actor | Braun (uncredited) |
 Whit Bissell | Cast | Actor | London Bobbie (uncredited) |
 William Post Jr. | Cast | Actor | Dr. Franz Tobel |
Harold De Becker | Cast | Peg Leg (uncredited) | |
| Person | Type | Job | Role(s) |
