Directed by
| Roy William Neill | ... | (as Roy William Neil) |
Writing Credits (in alphabetical order)
| Roy Chanslor | ... | (dialogue) |
| Charles Logue | ... | (adaptation) |
| Edgar Wallace | ... | (story "The Feathered Serpent") |
Cast (in credits order) verified as complete
| H.B. Warner | ... | Inspector Tracy | |
| Walter Byron | ... | Ronald Quayle / Robert Crockett | |
| Bette Davis | ... | Peggy Lowell | |
| Natalie Moorhead | ... | Caroline Quayle | |
| William B. Davidson | ... | John Utterson (as William Davidson) | |
| Crauford Kent | ... | Sam Lewis (as Craufurd Kent) | |
| Halliwell Hobbes | ... | Phillips | |
| Charles K. Gerrard | ... | Bailiff (as Charles Gerrard) | |
| Murray Kinnell | ... | Carr | |
| Rest of cast listed alphabetically: | |||
| Oscar Apfel | ... | Dr. H. Horgenson - Plastic Surgeon (uncredited) | |
| Frank Atkinson | ... | Man from Cartier's (uncredited) | |
| Frank Rice | ... | Jim (uncredited) | |
Produced by
| Sam Nelson | ... | producer (uncredited) |
Cinematography by
| L. William O'Connell | ... | (as L. Wm. O'Connell) |
Editing by
| Gene Havlick | ||
Second Unit Director or Assistant Director
| Gene Anderson | ... | assistant director (uncredited) |
Sound Department
| George Cooper | ... | sound engineer (uncredited) |
Script and Continuity Department
| Dorothy Howell | ... | continuity / writer |
