On screen
Cast
18 credited performers
Peter Cushing
Detective Inspector Quennell
Robert Flemyng
Dr. Carl Mallinger
Wanda Ventham
Clare Mallinger
Glynn Edwards
Sgt. Allan
Kevin Stoney
Granger the Butler
Vanessa Howard
Meg Quennell
David Griffin
William Warrender
Roy Hudd
Morgue Attendant
Artwork unavailable
William Wilde
Frederick Britewell
Artwork unavailable
Simon Cain
Clem Withers
Russell Napier
Landlord
John Paul
Mr. Warrender
Artwork unavailable
Leslie Anderson
Coachman Joe Trager
Artwork unavailable
David Lyell
Student with Toy Spider
Drew Russell
Constable Smith
Artwork unavailable
Robert Cawdron
Chief Constable
Kenneth Colley
James
Artwork unavailable
Roy Evans
2nd Porter