Felix Aylmer (Sir Robert Hummel), David Burns (Pedro), Jeanne De Casalis (Poppy Mayne), Fred Emney (Sir Charles Devoir), Henry Hewitt (Simpson), Anthony Ireland (Roderique), John Lodge (Tony Walsh), Gertrude Michael (Ann Heston), Hartley Power (Al), Ralph Truman (Maharajah), and Arthur Wontner (Escubar).