Nahum Witley
Boris Karloff
Stephen Reinhart
Nick Adams
Henry
Billy Milton
Potter
Leslie Dwyer
Susan Witley
Suzan Farmer
Letitia Witley
Freda Jackson
Merwyn
Terence de Marney
Dr. Henderson
Patrick Magee
Miss Bailey
Sheila Raynor
Taxi Driver
Harold Goodwin
Jason
Paul Farrell
Pierce
Sydney Bromley
Short Story
H.P. Lovecraft
Executive Producer
Samuel Z. Arkoff
Director
Daniel Haller
Music Director
Philip Martell
Director of Photography
Paul Beeson
Editor
Alfred Cox
Art Direction
Colin Southcott
Original Music Composer
Don Banks
Screenplay
Jerry Sohl
Producer
Pat Green
James H. Nicholson
Assistant Director
Dennis Hall
Camera Operator
Cecil Cooney
Sound Recordist
Ken Rawkins
Bob Jones
Sound Editor
Alban Streeter
Alan Corder
Continuity
Tilly Day
Makeup Artist
Jimmy Evans
Hairstylist
Bobbie Smith
Wardrobe Designer
Laurel Staffell
Special Effects
Wally Veevers
Ernie Sullivan