John Davidson

as Maitre D' (uncredited)

as John, First Waiter (uncredited)

as Mr. Edwards (uncredited)

as Carl Karzoff / Kurt Karzoff

as Gruber

as Prof. Percival Garland Raines

as Prince Suleid

as Hakim

as Phoebus (uncredited)

as Chemist Daoud Atrash

as Gourney-Martin's Butler

as Edward 'Ned' Wales