Thomas Reiner

as Julius Cäsar (voice) (uncredited)

as Inspector Silvestri

as Golem's Henchman

as King Ludwig II.

as Donkey (voice)

as Johannes Riechle (voice)

as Schottischer Polizist (voice)

as Psychiatist

as Geograph (Stimme)

as Kriminalhauptwachtmeister Hans Kossek

as Dr. Althoff - Rechtsanwalt

as Hans Kossek (archive footage) (uncredited)

as Pohland

as Dr. Friebe

as Prince Georg Alexander

as Niko

as Mister Hotchkiss

as Eichinger

as Dr. Bodo Blücher

as Mr. Purdie