| Person | Type | Job | Role(s) |
|---|---|---|---|
 Anton Grot | Crew | Art | Art Direction |
Charles Kenyon | Crew | Writing | Screenplay |
 Ernest Haller | Crew | Camera | Director of Photography |
Gilbert Miller | Crew | Production | Producer |
Jeffrey Dell | Crew | Writing | Adaptation |
Lajos Zilahy | Crew | Writing | Theatre Play |
 Leo F. Forbstein | Crew | Sound | Music |
 Orry-Kelly | Crew | Costume & Make-Up | Costume Design |
Ralph Dawson | Crew | Editing | Editor |
 William Dieterle | Crew | Directing | Director |
 Anita Louise | Cast | Actress | Mariette Pointer |
 C. Aubrey Smith | Cast | Actor | Police Inspector Miller |
 Dorothy Tree | Cast | Actress | Mrs. Jolan Brandt |
 Etienne Girardot | Cast | Actor | Professor Peterson |
 Florence Fair | Cast | Actress | Thelma, the Pointer's Maid |
 Hal K. Dawson | Cast | Actor | Assistant Stage Manager |
Helen Trenholme | Cast | Mlle. Josephine Mousquet, the Governess | |
 Hobart Cavanaugh | Cast | Actor | Emile, Brandt's Valet |
 Lionel Atwill | Cast | Actor | John Pointer |
 Nan Grey | Cast | Actress | Alice von Attem |
 Ricardo Cortez | Cast | Actor | Herman Brandt |
 Robert Barrat | Cast | Actor | Halasz, the Apartment House Manager |
 Russell Hicks | Cast | Actor | Mr. Beyer, the Stage Manager |
 Spencer Charters | Cast | Actor | Max Bauer, the Porter |
 Verree Teasdale | Cast | Actress | Carola Pointer |
 Skippy | Cast | Actor | Rex |
Otto Lang | Cast | Second Policeman (uncredited) | |
| Person | Type | Job | Role(s) |
