Director/a
Terence Fisher
DIRECTOR/A
Reparto (por orden de créditos)
Peter Cushing
Dr. Brian Stanley
Edward Judd
Dr. David West
Carole Gray
Toni Merrill
Eddie Byrne
Dr. Reginald Landers
Sam Kydd
Constable John Harris
Niall MacGinnis
Mr. Roger Campbell
James Caffrey
Peter Argyle
Liam Gaffney
Ian Bellows
Roger Heathcott
Dunley
Keith Bell
Halsey
Margaret Lacey
Old Woman
Shay Gorman
Morton
Peter Forbes-Robertson
Dr. Lawrence Phillips
Richard Bidlake
Carson
Joyce Hemson
Mrs. Bellows
Edward Ogden
Helicopter Pilot
Tony Allen
Villager (uncredited)
Jim O'Brady
Robin Burns
Lew Hooper
Lindsay Hooper
Barman (uncredited)
George Oliver
Gerald Paris
Charles Price
Ernie Rice
Jack Sharp
Guy Standeven
Minor Role (uncredited)