"A British doctor and painter must kill for the glands he needs to stop the aging process."
Nils Asther
as Dr. Julian Karell
Helen Walker
as Eve Brandon
Reinhold Schünzel
as Dr. Kurt van Bruecken
Paul Cavanagh
as Dr. Henry Latimer
Konstantin Shayne
as Dr. B.A. Vishanoff
Leyland Hodgson
as Dr. G.B. Albertson
Edmund Breon
as Sir Humphrey Brandon
Morton Lowry
as Alan Guthrie
Matthew Boulton
as Detective Inspector Ned Garth
Eustace Wyatt
as Inspector Lawson
Brandon Hurst
as Simpson
Arthur Mulliner
as Sir John Aldergate
Aminta Dyne
as Lady Minerva Aldergate
Edward Fielding
as Colonel Ashley
Forrester Harvey
as Harris
Ernie Adams
as Porter
Norman Ainsley
as Butler in Brandon's Home
Donald Gallaher
as Ticket Agent
John Sheehan
as Expressman
Edward Cooper
as Liveried Servant
Reginald Sheffield
as Art Expert at Party
Gerald Oliver Smith
as Pharmacy Clerk
Arthur Blake
as Man
Ted Billings
as Man Sleeping on Bench
George Broughton
as Morgue Official
Wilson Benge
Harry Cording
as Bobby
Al Ferguson
Robert Cory
as Bobby (uncredited)
Frank Hagney
Frank Moran
as Trawler Captain
T. Arthur Hughes
as Plainclothesman
Frank Baker
Cyril Ring
Clive Morgan
John Power
as Guard
Robert R. Stephenson
Bobby Hale
as Trawler Crewman (uncredited)
Walter MacEwen
Producer
Charles Kenyon
Screenplay
Ralph Murphy
Director
Garrett Fort
Adaptation
Sam Comer
Set Decoration
Wally Westmore
Makeup Artist
Eugene Zador
Orchestrator
Thomas Neff
Editor
Ferrol Redd
Sound Recordist
Barré Lyndon
Theatre Play
Miklós Rózsa
Original Music Composer
Henry Sharp
Director of Photography
Walter H. Tyler
Art Direction
Hans Dreier
John R. Coonan
Assistant Director
Philip Wisdom
