Directed by
| Roy William Neill | ||
Writing Credits
| Bertram Millhauser | ... | (screenplay) |
| Arthur Conan Doyle | ... | (story "The Six Napoleons") (as Sir Arthur Conan Doyle) |
Cast (in credits order) verified as complete
Produced by
| Roy William Neill | ... | producer |
Music by
| Paul Sawtell | ... | (uncredited) |
Cinematography by
| Virgil Miller | ... | director of photography |
Editing by
| Ray Snyder | ||
Art Direction by
| John B. Goodman | ||
| Martin Obzina | ||
Set Decoration by
| Russell A. Gausman | ||
| Edward R. Robinson | ... | (as E.R. Robinson) |
Costume Design by
| Vera West | ... | (gowns) |
Second Unit Director or Assistant Director
| Melville Shyer | ... | assistant director |
Sound Department
| Bernard B. Brown | ... | sound director |
| Joe Lapis | ... | sound technician |
Costume and Wardrobe Department
| Eugene Joseff | ... | costume jeweller (uncredited) |
Music Department
| Paul Sawtell | ... | musical director |
| William Lava | ... | composer: stock music (uncredited) |
| Hans J. Salter | ... | composer: stock music (uncredited) |
| Frank Skinner | ... | composer: stock music (uncredited) |
Additional Crew
| Raymond Kessler | ... | dialogue director (as Ray Kessler) |