1940
Mysterious Doctor Satan
- Action
- Adventure
- Crime
A mad scientist plots the domination of America and only the masked hero, The Copperhead, can stop him.
Cast
| Robert Wilcox | Bob Wayne / Copperhead | |
| William Newell | Speed Martin | |
| C. Montague Shaw | Prof. Thomas Scott | |
| Carter Thorne | Lois Scott | |
| Charles Trowbridge | Gov. Bronson | |
| Jack Mulhall | Police Chief Rand |
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