Boris Karloff character Imhotep / Ardath Bey
Zita Johann character Helen Grosvenor / Princess Anck-es-en-Amon
David Manners character Frank Whemple
Arthur Byron character Sir Joseph Whemple
Edward Van Sloan character Dr. Muller
Bramwell Fletcher character Ralph Norton
Noble Johnson character The Nubian Servant (uncredited)
Kathryn Byron character Frau Muller
Leonard Mudie character Professor Pearson
James Crane character The Pharaoh (uncredited)
Florence Britton character Nurse (uncredited)
Jack Deery character Party Guest (uncredited)
Bill Elliott character Party Guest (uncredited)
Eddie Kane character Inspector's Assistant (uncredited)
Tony Marlow character Police Inspector (uncredited)
C. Montague Shaw character Gentleman #1 at Party (uncredited)
Leyland Hodgson character Gentleman #2 at Party (uncredited)
Pat Somerset character Helen's Dancing Partner (uncredited)
Arthur Tovey character Nubian (uncredited)
