 |
Kirk Alyn as Blackhawk |
 |
Carol Forman as Laska |
 |
John Crawford as Chuck |
 |
Michael Fox as Mr. Case |
 |
Don C. Harvey as Olaf |
 |
Rick Vallin as Stan / Boris |
 |
Larry Stewart as Andre |
|
Weaver Levy as Chop Chop |
 |
Zon Murray as Bork |
 |
Nick Stuart as Cress |
 |
Marshall Reed as Aller |
 |
Pierce Lyden as Dyke |
 |
William Fawcett as Dr. Rolph [Chs. 4-7] |
 |
Rory Mallinson as Hodge [Chs. 11-14] |
 |
Frank Ellis as Hendrickson [Chs. 1-2, 4, 8-9] |
|
Marshall Bradford as Malcolm Smith [Ch. 10] |
 |
Frank Gerstle as Dawson [Chs. 7-8] |
 |
Charles Horvath as Otto Helger [Chs. 12-13] |
 |
Knox Manning as Narrator (voice) |
| Writing | Will Eisner | Characters |
| Writing | Sherman L. Lowe | Writer |
| Writing | George H. Plympton | Writer |
| Writing | Royal K. Cole | Writer |
| Directing | Spencer Gordon Bennet | Director |
| Directing | Fred F. Sears | Director |
| Production | Sam Katzman | Producer |
