Reparto (por orden de créditos)
Richard Tucker
Self(archiveFootage)
Richard Bernstein
Self
Renée Fleming
Denyce Graves
Paul Groves
Dmitri Hvorostovsky
Kristjan Johannsson
Sergej Larin
Alessandra Marc
Sherrill Milnes
Francesca Patanè
Elizabeth Vidal
Dolora Zajick