 Liselotte PulverJuliane Thomas | Juliane Thomas |
 Paul HubschmidDr. Jean Berner | Dr. Jean Berner |
 Bernhard WickiPaul Frank | Paul Frank |
 Wolfgang LukschyJürgen Kolbe | Jürgen Kolbe |
| RRoland KaiserHelge 'Pips' Frank | Helge 'Pips' Frank |
 Rudolf PlatteEdgar Stephan | Edgar Stephan |
 Werner FinckDr. Julius Weyer | Dr. Julius Weyer |
 Maria SebaldtGrace | Grace |
 Sonja ZiemannAnna-Maria/Herself | Anna-Maria/Herself |
 Helmut KäutnerReporter | Reporter |
 Erich PontoOld Man | Old Man |
 Anny OndraHerself | Herself |
 Max SchmelingHimself | Himself |
| EErwin LinderNot listed | Not listed |
| TTraute CarlsenNot listed | Not listed |
| GGisela PeltzerNot listed | Not listed |
 Hans Hermann SchaufußNot listed | Not listed |
| MMarianne HedigerNot listed | Not listed |
| SSybille von GymnichNot listed | Not listed |
| CCarl VoscherauNot listed | Not listed |
| EElsbeth GmürNot listed | Not listed |
| EErnie BielerSinger: 'Das Lied ohne Worte' (voice) | Singer: 'Das Lied ohne Worte' (voice) |
| DDie Drei PeheirosSinger: "Ja, ja die Liebe in der Schweiz" | Singer: "Ja, ja die Liebe in der Schweiz" |
 Heinz MeierSinger: "Ja, ja die Liebe in der Schweiz" (as Die Drei Peheiros) | Singer: "Ja, ja die Liebe in der Schweiz" (as Die Drei Peheiros) |
| PPeter SchulzSinger: "Ja, ja die Liebe in der Schweiz" (as Die Drei Peheiros) | Singer: "Ja, ja die Liebe in der Schweiz" (as Die Drei Peheiros) |
| WWolfgang BorchertUndetermined Role (uncredited) | Undetermined Role (uncredited) |
| GGabriele Du VinageUndetermined Role (uncredited) | Undetermined Role (uncredited) |
| FFlorian EidenbenzKarlchen Lauffer (uncredited) | Karlchen Lauffer (uncredited) |
| GGerda GmelinDienstmädchen (uncredited) | Dienstmädchen (uncredited) |
 Jürg GrauUndetermined Role (uncredited) | Undetermined Role (uncredited) |
