Paul Westermeier
Emil Kruppack / William Hopkins
Trude Hesterberg
Emmi Gärtner
Ernst Legal
Emil MĂźller
Henry Lorenzen
Erich Wilke
Lissy Arna
Frau Woerden, Pensionsinhaberin
Harry Piel
Harry Peters, Kriminal-Assistent
Alfred Haase
Hildebrandt, Kriminalrat