War es der im 3. Stock?

Henny Porten

as Frau Seiderhelm

Mady Rahl

as Petra Kilby

Lucie Höflich

as Frau Kaaden

Paul Dahlke

as Heidenreich, Kriminalkommissar

Heinz von Cleve

as Wienhold, Kriminalkommissar

Else Elster

as Lisa Seiderhelm

Karl Stepanek

as Georg Kilby

Josefine Dora

as Hotelinhaberin

Grete Reinwald

as Sekretärin