Diretor/a
Jason Starr
DIRETOR/A
Elenco (na ordem dos créditos)
Sioban Carroll
Marion Von Weber
Jonathon Culver
Prometheus
Peter Fanklin
Self
Thomas Hampson
Performer
Michael Levi Harris
(voice)
Stephen Hefling
Neeme Järvi
Catherine Keller
Caroline Kita
Joseph Lacerda
Gustav Mahler
Marina Mahler
Marilyn Mccoy
Morten Solvik
Sky Tauber
Young Gustav Mahler
Steven Tauber
Bernhard Mahler
Nicholas Thomas
Carl Von Weber
Sam Tsoutsouvas
Narrator (voice)
Sybille Werner