British Egyptologist, Professor Morlant, seeks immortality through the power of a jewel buried in the tomb of an Oriental idol. Upon his death, Morlant returns to earth to seek vengeance upon those who removed the jewel from his grave.

Boris Karloff
as Prof. Morlant

Cedric Hardwicke
as Broughton

Ernest Thesiger
as Laing

Ralph Richardson
as Nigel Hartley

Dorothy Hyson
as Betty Harlon

Anthony Bushell
as Ralph Morlant

Kathleen Harrison
as Kaney

Harold Huth
as Aga Ben Dragore

D.A. Clarke-Smith
as Mahmoud

Jack Raine
as Davis the Chauffeur (uncredited)
John Chard
Almost his last words were a threat to return from the dead. In my opinion, he was mad! A tricky one to review in some ways, for someone like myself who loves to submerge himself in anything Noir, Expressionistic or Gothic. There's also the added impact value here of the cast list, with Karloff, ...
CinemaSerf
Boris Karloff is "Prof. Morlant" - an ageing Egyptologist who insists that when he dies, he is to be entombed Pharaonic style - and woe betides anyone who doesn't comply with his wishes (he even requires that the key to his vault be left on the inside of the door!). Shortly after his demise, we see ...