A black envelope presents the hero, detective Harry Peel, who loses his fortune over the course of the story, with tasks. A mysterious criminal, car and motorcycle chases through the wintry Alps, and the blowing up of a bridge provide cinematic spectacle and opportunities for daredevil stunts.
| Actor | Role |
|---|---|
 Harry PielNot listed | Not listed |
| AAdolf KleinNot listed | Not listed |
| IInge HelgardNot listed | Not listed |
 Albert PauligNot listed | Not listed |
| EErich SandtNot listed | Not listed |