John Malkovich
Sergiu Celibidache
Miranda Richardson
Ioana Celibidache
Ben Schnetzer
Sergiu Celibidache (young adult)
Ewan Horrocks
Sergiu Celibidache (teen)
Kate Phillips
Ioana Celibidache (young adult)
Tamzin Merchant
Ortancia
Anton Lesser
Martin Steinke
Charlie Rowe
Miki
Eric Olaru
Miki (child)
Olivia Popica
Sonia
Ava Capatina
Sonia (child)
Tiberiu Harsan
Daniel
Orlando James
Ginel
Alexandru Isarescu
Ginel (child)
Brendan Howley
Patrick
Boiangiu Alma
Ida Haendel
Robert Dölle
Professor Tiessen
Guido Broscheit
Doctor Piendl
Charles Nishikawa
Mr. Tanaka
Jürgen Heimüller
Wilhelm Furtwangler