

September 23, 1920
1h 38m
DE
Karl Mueller-Hagens
A doctor who cannot figure out what is wrong with his patient refers him to a detective, whom he hopes will be able to discern the cause of his mysterious illness.

Max Landa
Detective Landa

Reinhold Schünzel
Freiherr von Mohrungen

Conrad Veidt
Wilmos, sanatorium director

Hilde Woerner
Siegnis, maid


Paul Rosenhayn, Ferdinand Runkel
1
Marga von Kierska
Frau von Riberac