Alois Maria Giani

as Johann Heinrich Gruhl

Wolfgang Büttner

as Stollfuß

Günter Strack

as Kugl-Egger

Wolfgang Hofmann

as Dr.Hermes

Peter Loth

as Bergnolte

Hermann Günther

as Kirffel

Hanns Ernst Jäger

as Professor Büren

Karin von Wangenheim

Angela Winkler

as Zeugin

Kurt Großkurth