as Dr. Pollak(2 eps)
as Direktor Jochmann(1 ep)
as Adalbert Wandel
as Dr. Demant(2 eps)
as Dr. Bradman
as Reisender aus Prag
as Morano
as Larsen
as Harry Vincent(6 eps)
as Nicola
as Vjeko
as Heinth
as Kudelka
as Heinrich Wagner
as Conductor (uncredited)
as Mr. Rudetzki (uncredited)