Paulus Manker
Otto Weininger
Hilde Sochor
Adelaide, his mother / Adele, concierge
Andrea Eckert
Clara
Josefin Platt
Otto's Double
Hermann Schmid
Tietz
Sieghardt Rupp
Leopold, his father / Sigmund Freud
Peter Faerber
Berger
Otmar Klein
Clarinettist
