Directed by
| Ewald André Dupont | ||
Writing Credits (in alphabetical order)
| Frank Partos | ||
| Gladys Unger | ||
| S.S. Van Dine | ... | (novel) |
Cast (in credits order)
| Grant Richards | ... | Philo Vance | |
| Roscoe Karns | ... | Sgt. Heath | |
| Helen Burgess | ... | Ada Greene | |
| Ruth Coleman | ... | Sibella Greene | |
| Elizabeth Patterson | ... | Mrs. Tobias Greene | |
| Harvey Stephens | ... | Dr. Von Blon | |
| June Martel | ... | Barton | |
| Ellen Drew | ... | Secretary | |
| Purnell Pratt | ... | John F. X. Markham | |
| Colin Tapley | ... | Chester Greene | |
| James Bush | ... | Rex Greene | |
| Ivan F. Simpson | ... | Sproot | |
| Greta Meyer | ... | Mrs. Mannheim | |
| Leonard Carey | ... | Lister | |
| Nora Cecil | ... | Hemming | |
| Rest of cast listed alphabetically: | |||
 |
George Anderson | ... | Det. Snitkin (uncredited) |
| Barlowe Borland | ... | Medical Examiner (uncredited) | |
|
|
Myra Marsh | ... | Police Nurse (uncredited) |
Produced by
| William LeBaron | ... | executive producer (uncredited) |
| Robert North | ... | producer (uncredited) |
Cinematography by
| Harry Fischbeck | ||
Editing by
| James Smith | ||
Art Direction by
| Hans Dreier | ||
| A. Earl Hedrick | ||
Second Unit Director or Assistant Director
| Hal Walker | ... | assistant director |
Art Department
| A.E. Freudeman | ... | interior decorator |
Sound Department
| Louis Mesenkop | ... | sound recordist |
| Walter Oberst | ... | sound recordist |
Costume and Wardrobe Department
| Eugene Joseff | ... | costume jeweller (uncredited) |
Music Department
| Boris Morros | ... | musical director |
| Gerard Carbonara | ... | composer: stock music (uncredited) |
| Friedrich Hollaender | ... | composer: stock music (uncredited) |
| John Leipold | ... | composer: stock music (uncredited) |
| Victor Young | ... | composer: stock music (uncredited) |
Additional Crew
| Adolph Zukor | ... | presenter |
