The film follows Kaspar Hauser (Bruno S.), who lived the first seventeen years of his life chained in a tiny cellar with only a toy horse to occupy his time, devoid of all human contact except for a man who wears a black overcoat and top hat who feeds him.
as Kaspar Hauser
as Professor Daumer
as Haushälterin Käthe
as Ringmaster
as Hombrecito, the Indian
as Unknown Man
as Lord Stanhope
as Calvary Captain
as Pastor Fuhrmann
as Pastor #2
as Hiltel, the prison guard
as Frau Hiltel
as Little King
as young Mozart
as country boy #1
as country boy #2
as country boy #3
as Registrar
as Police Officer
as Doctor
as Florian
as Logic Professor
as bear showman
as Mayor
as employee of the captain
as man who finds Kaspar
as old priest
as little girl
as Doctor #2
as Doctor #3
as crier
as Julius
as Bauer - role was cut