Madame Irela (Maggie O'Neil)
Arthur Kober
George Leary
Count Ehrenburg / Archduke Theodore
Madame Valmond
Baba L'Etoile
Tremlowe
Sovino
Solo Tenor / Alfredo the Gondolier
Emperor FranzJosef
W.W.I. soldier in concert audience (uncredited)
Solo gypsy violinist
Minor Role