| Person | Type | Job | Role(s) |
|---|---|---|---|
 Anton Grot | Crew | Art | Art Direction |
Arthur Greville Collins | Crew | Writing | Dialogue |
Arthur L. Todd | Crew | Camera | Director of Photography |
 Ben Hecht | Crew | Writing | Writer |
Brown Holmes | Crew | Crew | Additional Dialogue |
Carl Jules Weyl | Crew | Art | Art Direction |
 Leo F. Forbstein | Crew | Sound | Music Director |
 Orry-Kelly | Crew | Costume & Make-Up | Costume Design |
 Robert Florey | Crew | Directing | Director |
Thomas Pratt | Crew | Editing | Editor |
Tom Reed | Crew | Writing | Screenplay |
Adrian Rosley | Cast | Actor | Pasquale (uncredited) |
Anders Van Haden | Cast | Bidder (uncredited) | |
 Barlowe Borland | Cast | Actor | Eric (uncredited) |
Bernard Suss | Cast | Heinrich (uncredited) | |
Betty Farrington | Cast | Actress | Frieda (uncredited) |
 C. Aubrey Smith | Cast | Actor | Gerard Lytton |
Carlos De Valdez | Cast | Conductor (uncredited) | |
Charles Fallon | Cast | Apothecary (uncredited) | |
 Charles Judels | Cast | Actor | Salvatore |
 Charles Lane | Cast | Actor | Man in Front Row (archive footage) |
 David Newell | Cast | Actor | Rodrigo (uncredited) |
 Donald Woods | Cast | Actor | Juan Cesare |
 Egon Brecher | Cast | Actor | Karl |
 Eily Malyon | Cast | Actress | Fredericka |
 Eric Mayne | Cast | Actor | Bidder at Auction (uncredited) |
 Ferdinand Schumann-Heink | Cast | Actor | Policeman Otto (uncredited) |
 Florence Fair | Cast | Actress | Teresa |
 Frank Reicher | Cast | Actor | Von Stein |
 Frank Thornton | Cast | Actor | (uncredited) |
 Frederick Sullivan | Cast | Actor | Romberg (uncredited) |
 Glen Cavender | Cast | Actor | Detective (uncredited) |
 Henry Kolker | Cast | Actor | Auctioneer |
 Henry O'Neill | Cast | Actor | Victor Ballau |
 Herman Bing | Cast | Actor | Baker |
Louise Seidel | Cast | Baker's Daughter (uncredited) | |
 Margaret Lindsay | Cast | Actress | Florence Ballau |
 Olaf Hytten | Cast | Actor | Scotland Yard Radio Operator (uncredited) |
 Paul Panzer | Cast | Actor | Detective (uncredited) |
 Paul Porcasi | Cast | Actor | Antonio |
 Rafaela Ottiano | Cast | Actress | Lili Salvatore |
 Robert Barrat | Cast | Actor | Inspector Von Brinkner |
Russ Powell | Cast | Actor | First Taxi Driver (uncredited) |
 Ruthelma Stevens | Cast | Actress | Fraulein von Elsner (uncredited) |
 Wheaton Chambers | Cast | Actor | Servant (uncredited) |
 William Irving | Cast | Actor | Policeman Schultz (uncredited) |
 William V. Mong | Cast | Actor | Fishback (uncredited) |
William Wagner | Cast | Coroner (uncredited) | |
| Person | Type | Job | Role(s) |
