Fritz Eilers
Ulrich Salandt (as Hans Joachim Kulenkampff)
Prof. Johannes Büttner
Tilla Büttner
Malchen Eilers
'Kätzchen' Beryl
Katinka
Angelika Zander
Sylvia Koschinsky
Uschi
Lotte (as Traute Duscher)
Marianne Hopfleder
Grete Köck
Tenor Bert Erichsen
Theaterdirektor Popp
Robby Eilers
Wolfgang Büttner (uncredited)
Sylvia Büttner (uncredited)
Chauffeur Krause (uncredited)