André Eisermann as Kaspar Hauser

Udo Samel as Daumer

Jeremy Clyde as Lord Stanhope

Katharina Thalbach as Comtesse Hochberg

Johannes Silberschneider as Lehrer Meyer

Peter Lohmeyer as Leopold von Baden

Dieter Laser as Ludwig I. von Bayern

Uwe Ochsenknecht as Ludwig von Baden

Hermann Beyer as Paul Johann Anselm von Feuerbach