Mark Ruffalo
Stephen
Lukas Haas
Bar Patron
Robbie Coltrane
Curator
Rachel Weisz
Penelope Stamp
Adrien Brody
Bloom
Ricky Jay
Narrator (voice)
Maximilian Schell
Diamond Dog
Rinko Kikuchi
Bang Bang
Andy Nyman
Charleston
Joseph Gordon-Levitt
Bar Patron
Nora Zehetner
Rose
Noah Segan
The Duke
Ram Bergman
Himself
Max Records
Young Stephen
Zachary Gordon
Young Bloom
Josif Tatić
Oafish Foster Father
Slobodan Ćustić
Foster Dad