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