99 mins | Crime | Feb. 26, 1937
99 mins | Crime | Feb. 26, 1937
| Producers | Ariel-Film, Tobis-Rota |
| Original title | Sein bester Freund |
| Directors | Harry Piel |
| Writers | Harry Piel |
as Harry Peters, Kriminal-Assistent
as Erich Wilke
as Hildebrandt, Kriminalrat
as Frau Woerden, Pensionsinhaberin
as Emil Müller
as Emmi Gärtner
as Emil Kruppack / William Hopkins
as