Karl Mueller-Hagens
Director
Mathieu Oostermann
Art Direction
Kurt Lande
Director of Photography
Ferdinand Runkel
Novel
Paul Rosenhayn
Screenplay
Max Landa
Detective Landa
Reinhold Schünzel
Freiherr von Mohrungen
Conrad Veidt
Wilmos, sanatorium director
Hilde Woerner
Siegnis, maid
Marga von Kierska
Frau von Riberac
