Directed by
| Irvin Willat | ||
Writing Credits (in alphabetical order)
| Victor Irvin | ... | (scenario) |
| Arthur Stringer | ... | (novel) |
Cast (in credits order)
| Agnes Ayres | ... | Mary Walsworth | |
| Antonio Moreno | ... | Alan Holt | |
| Tyrone Power Sr. | ... | Drakma (as Tyrone Power) | |
| Louis Wolheim | ... | Kurder | |
| Dagmar Godowsky | ... | Claire | |
 |
Jack Lionel Bohn | ... | Don Powell |
| Maurice Costello | ... | The Cripple | |
| Frank Currier | ... | Adm. Walsworth | |
| Ivan Linow | ... | Lab assistant | |
Produced by
| Jesse L. Lasky | ... | producer |
| Adolph Zukor | ... | producer |
Cinematography by
| Harold Rosson | ... | (as Hal Rosson) |
Additional Crew
| Jesse L. Lasky | ... | presenter |
| Adolph Zukor | ... | presenter |
