No synopsis available.
Terence Fisher
Director
Reginald H. Wyer
Ivor Slaney
Jimmy Sangster
Howard Duff
Dr. Stephen Mitchell
Eva Bartok
Dr. Lisa Frank
Alan Wheatley
Dr. Smith
Philip Leaver
Professor Koepler
Michael Medwin
Dr. Toby Andrews
Andrew Osborn
Dr. Philip Crenshaw
Cecile Chevreau
Vanessa Mitchell
Anthony Ireland
General Hayes
Hugh Moxey
Colonel Alfred Daniels
David Horne
Minister
Leo Phillips
Sergeant Peterson (uncredited)
Marianne Stone
Mrs. Rogers (uncredited)
Jean Webster-Brough
Mrs. Daniels (uncredited)
