On screen
Cast
12 credited performers
Mary Ellis
Melitza Hjos
Otto Kruger
King Stefan
Victor Jory
Baron Lyadeff
Artwork unavailable
Barry MacKay
Anthony Allan
Artwork unavailable
Trefor Jones
Lorenti
Maire O'Neill
Phoebe
Artwork unavailable
Anthony Holles
Maestro
Charles Carson
Otto
Felix Aylmer
Diplomat
Finlay Currie
Angus MacKintosh
Jeanne Carpenter
Undetermined Role (uncredited)
Raymond Lovell
Ship's Officer (uncredited)