Characters played by Werner Krauss
Martin Fellman
Characters played by Ruth Weyher
Seine frau
Characters played by Ilka Grüning
Die mutter
Characters played by Jack Trevor
Erich
Characters played by Polycarpe Pavloff
Dr. Orth
Characters played by Hertha von Walther
Fellmans Assistentin
Characters played by Renate Brausewetter
Dienstmaedchen
Characters played by Colin Ross
Kriminalkommissar
Characters played by Lili Damita
(uncredited)