as Peter Iljitsch Tschaikowsky
as Alexander
as Jan Meiners, Rechtsanwalt
as Industrieller Dietrich Gontard
as Lüder Lüdersen
as Peter Fürbringer, Architekt
as Professor Albrecht Götz
as Fürbringer
as Heinrich Radegast
as Tibor von Dénes
as Cagliostro
as Ertl
as Hans Strobel
as Gutsbesitzer Rittmeister von Arndt
as Ernst Verloost
as Dr. Bruck
as Johann Wolfgang Goethe
as Dr. Hubert Baumgart
as (archive footage)
as Detlev von Blossin
as Iwan Wolkoff
as Dr.Kurt Rehmann - Ilses Verlobter
as Andreas, Leopolds Bruder
as Ruedi Pfister, Sohn
as Georg Straaten
as Baron Cocceji
as Puiu Faranga / Mironescu
as Frank Quick
