| Directed by |
William Witney John English |
|
| Screenplay by |
Joseph F. Poland Franklin Adreon |
|
| Cast: | ||
| Doctor Satan | Eduardo Ciannelli | |
| Bob Wayne / 'Copperhead' | Robert Wilcox | |
| Speed Martin | William Newell | |
| Gov. Bronson [Ch. 1] | Charles Trowbridge | |
| Police Chief Rand [Chs. 1, 4, 13] | Jack Mulhall | |
| Col. Bevans | Edwin Stanley | |
| Stoner | Walter McGrail | |
| Panamint Pete [Ch. 8] | Frank Brownlee | |
| Sailor at Winch [Chs. 3-4] | Yakima Canutt | |
| Wells - Governor's Secretary [Ch. 1] | Tristram Coffin | |
| Gas Station Attendant [Ch. 4] | Eddie Dew | |
| Capt. Lathrop [Chs. 1-2] | Kenneth Harlan | |
| Proprietor [Ch. 5] | Charles Hutchison | |
| House Heavy [Ch. 15] | Jack O'Shea | |
| Henchman-Guard [Ch. 2] | Ernest Sarracino | |
| Davis - Police Officer [Ch. 1] | Harry Strang | |
| Helen Thurston | ||
| Director of photography |
William Nobles |
|
| Year: | 1940 | |
| Country: | United States | |
| Language: | English | |