Gerd Baltus
Role(s): Fabian Mertens / Fabius Mertensiu
Hans Söhnker
Role(s): Rektor / Tullius Cibulla
Carl Lange
Role(s): Prof. Cluvius / Kaiserlicher Procurator
Günter Strack
Role(s): Dozent / Arminius
Anneli Granget
Role(s): Asta-Vertreterin / Nelda
