Directed by
| Lewis D. Collins | ||
Writing Credits
| Harry Stephen Keeler | ... | (novel) |
| Marion Orth | ... | (screenplay) |
| Charles Logue | ... | (additional dialogue) |
Cast (in credits order) complete, awaiting verification
| Conway Tearle | ... | Floyd Harding Cooper | |
| Ferdinand Gottschalk | ... | Professor Varney | |
| Hardie Albright | ... | Howard Trude | |
| Jameson Thomas | ... | Robert McCaigh | |
| Berton Churchill | ... | Governor Duane | |
| Boots Mallory | ... | Ellen Croft | |
| Mary Doran | ... | Anne McCaigh | |
| Henry Kolker | ... | Kurt Nordon | |
| Lotus Long | ... | Li Sung | |
| Richard Tucker | ... | Attorney General | |
| George Baxter | ... | Sergei Krenwicz | |
|
|
Edward Keane | ... | Chang (as Edward Keene) |
| Lew Kelly | ... | Police Detective | |
| Rest of cast listed alphabetically: | |||
|
|
Jack Casey | ... | Policeman (uncredited) |
| Jack Cheatham | ... | Prison Guard (uncredited) | |
| Gino Corrado | ... | Latin-American General (uncredited) | |
| Lester Dorr | ... | Newspaper Reporter (uncredited) | |
| Harry Harvey | ... | New York Cab Driver (uncredited) | |
| Edward Hearn | ... | Governor's Aide (uncredited) | |
| Lloyd Ingraham | ... | Prison Warden (uncredited) | |
| Eddie Kane | ... | Peters (uncredited) | |
| Fred Kelsey | ... | Policeman (uncredited) | |
|
|
Bruce Mitchell | ... | Police Detective (uncredited) |
| Frank O'Connor | ... | Desk Clerk (uncredited) | |
Produced by
| Trem Carr | ... | producer |
| Paul Malvern | ... | associate producer |
Cinematography by
| Archie Stout | ||
Editing by
| Carl Pierson | ||
Second Unit Director or Assistant Director
| Ray Nazarro | ... | assistant director (uncredited) |
Sound Department
| John Stransky Jr. | ... | sound recordist (as J.A. Stransky Jr.) |
Stunts
| Eddie Parker | ... | stunts (uncredited) |
Additional Crew
| Trem Carr | ... | vice president: Monogram Pictures |
| E.R. Hickson | ... | technical director |
| W. Ray Johnston | ... | presenter |