Cast
- Lil Dagover as Harriet Williams
- Gustaf Gründgens as John James Brown, Privatdetektiv
- Rolf von Goth as Harry Williams
- Fritz Spira as Parker, Polizeichef
- Ernö Verebes as Reporter Freddy Kallai
- Julius Falkenstein
- Else Reval
- Carl Geppert
- Hugo Döblin
- Paul Biensfeldt