Night of the Demon
as Professor Mark O'Brien
as Joanna Harrington
as Dr. John Holden
as Dr. Julian Karswell
as Farmer (deleted from US print)
as Chemist
as Mr. Meek
as Superintendent
as Professor Henry Harrington
as Mrs. Karswell
as Lloyd Williamson
as Professor K.T. Kumar
as Mrs. Meek
as Inspector Mottrarn
as Detective Simmons
as Librarian