Karla Runkehl as Irene 'Reni' Schorn, verehel. Kerster

Wolfgang Kieling as Friedel Walter

Wilhelm Koch-Hooge as Max Kerster

Eduard von Winterstein as Professor Beheim

Wolfgang Langhoff as Ernst Mehlin

Erika Dunkelmann as Oberschwester

Harry Hindemith as Staatsanwalt

Angela Brunner as Schwester Hilde

Erich Franz as Der Bezechte

Rudolf Fleck as Direktor Spulke

Gerry Wolff as Dozent Beseler

Barbara Adolph as Junge Eisenbahnerin

Gert Beinemann as Dr. Müller

Manfred Borges as Verwundeter

Hans Fiebrandt as Angestellter im Einwohnermeldeamt

Charlotte Küter as Richterin

Werner Segtrop as Streifenfeldwebel

Kurt Sperling as Deutscher Schreiber

Hermann Wagemann as KV-Feldwebel

Rudolf Ulrich as Ausrufer

Axel Triebel as Deutscher Major

Willi Wietfeldt as Bibliothekar

Siegfried Weil as Ausrufer

Gisela Graupner as Mädchen im Casino

Irma Münch as Sekretärin von Mehlin

Georg Helge as Matrose