Loosely based on the story of the singer Nellie Melba...
Evelyn Laye
as Madame Irela (Maggie O'Neil)
Fritz Kortner
as Arthur Kober
Emlyn Williams
as George Leary
Carl Esmond
as Count Ehrenburg / Archduke Theodore
Alice Delysia
as Madame Valmond
Conchita Supervia
as Baba L'Etoile
Muriel Aked
as Tremlowe
Dennis Val Norton
as Sovino
Browning Mummery
as Solo Tenor / Alfredo the Gondolier
Frederick Leister
as Emperor FranzJosef
Alec Guinness
as W.W.I. soldier in concert audience (uncredited)
George Treger
as Solo gypsy violinist
