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

Kathryn Byron

Character: Frau Muller

Leonard Mudie

Character: Professor Pearson

James Crane

Character: The Pharaoh

Henry Victor

Character: The Saxon Warrior (scenes deleted)

Arnold Gray

Character: Knight (scenes deleted)

Florence Britton

Character: Nurse (uncredited)

Jack Deery

Character: Party Guest (uncredited)

Bill Elliott

Character: Party Guest (uncredited)

C. Montague Shaw

Character: Gentleman #1 at Party (uncredited)

Leyland Hodgson

Character: Gentleman #2 at Party (uncredited)

Eddie Kane

Character: Inspector's Assistant (uncredited)

Tony Marlow

Character: Police Inspector (uncredited)

George Regas

Character: Egyptian at Princess Deathbed (uncredited)

Nick Shaid

Character: Egyptian (uncredited)

Pat Somerset

Character: Helen's Dancing Partner (uncredited)

Arthur Tovey

Character: Nubian (uncredited)

Cahit Irgat

Character: Young Bald