When a prostitute is murdered in a cheap Berlin boarding house, an investigating judge suspects that the killer is her boyfriend, unaware that his own son and daughter are also mixed up in the case.
Dr. Konrad Bienert, Landgerichtsrat
Fritz Bernt, Student
Walter Bienert, Beinerts Sohn, Student
Karl Zülke, Portier
Kurt Brann, sein Untermieter
Anatol Scherr, ein Hausbewohner
Baumann, Kriminalkommissar
Gerda Bienert - Bienerts Tochter
Erna Kabisch
Mella Ziehr
Bruno Klatte, Artist
Ein genierter Herr
Schneider, Kriminalbeamter
Kriebel, Kiminalbeamter
Polizist
