Otto Diamant

as Bruckenhaur

as Felix Mendelsohn

as Paul

as Professor Sladky

as Paul (1 episode)

as Mr. Saltzman

as Yussel (uncredited)

as Conductor

as Demetriades

as Woodcutter

as Demetriades (1 episode), as Mussdorf (1 episode)

as Shepperton (1 episode)

as The Pawnbroker (1 episode)

as Moran

as Mr. Hendrijk