Evelyn Laye
Madame Irela (Maggie O'Neil)
Fritz Kortner
Arthur Kober
Emlyn Williams
George Leary
Carl Esmond
Count Ehrenburg / Archduke Theodore
?
Alice Delysia
Madame Valmond
?
Conchita Supervia
Baba L'Etoile
Muriel Aked
Tremlowe
?
Dennis Val Norton
Sovino
?
Browning Mummery
Solo Tenor / Alfredo the Gondolier
Frederick Leister
Emperor FranzJosef