Melba
Voltar- Patrice MunselNellie Melba
Robert MorleyOscar Hammerstein I
John McCallumCharles Armstrong
John JustinEric Walton- Alec ClunesCesar Carlton
Martita HuntMme. Marchesi
Sybil ThorndikeQueen Victoria
Joseph TomeltyThomas Mitchell
Beatrice VarleyAunt Catherine- Violetta ElvinPrima Ballerina
- Cecile ChevreauAnnette
Theodore BikelPaul Brotha- Charles CraigMan (sem créditos)
Marcel PoncinRoger (sem créditos)
Robert RiettiItalian Policeman (sem créditos)
Bill ShineMan (sem créditos)- Dorit WellesAdelina Patti (sem créditos)