Trailer
 | Willy Fritsch as Dr. Hans Ravenborg, Arzt |
 | Jutta Freybe as Inge |
 | Gusti Huber as Lisa Brinkmann |
 | Hans Brausewetter as Franz Fischer |
 | Hans Leibelt as Dr. Feldern, Rechtsanwalt |
| Loni Michelis as Mädchen |
 | Leo Peukert as Autofahrer |
| Else Reval |
| Ilse Rose-Vollborn as Erika |
| Peter Dann as Peter - beider Kind |
 | Erna Morena as Frau Hansen, Inges Mutter |
 | Friedrich Kayssler as Professor Heyde |
 | Ewald Wenck as Friedrich, Laboratoriumsdiener |
| Hellmuth Bergmann as Arzt im Tropeninstitut |
| Charlotte Fredersdorf as Studentin bei der Vorlesung |
| Maria Krahn as Eine Mutter bei Inge zum Kaffee |
| Loni Michelis as Mädchen bei Dr. Ravenborg |
| Ernst G. Schiffner as Hencke, Kommissar |
| Ruth Störmer as Eine Mutter bei Inge zum Kaffee |
| Georg Völkel as Peters Lehrer |
| Peters Lehrer as Student bei der Vorlesung |
| Lore Siebert as Blumenverkäuferin |
| Albert Venohr as Mechaniker in der Garage |
| Directing | |
| Hans Hinrich | Director |
