On screen
Cast
20 credited performers
Donald Pleasence
Inspector Calhoun
Norman Rossington
Det.Sgt. Rogers
David Ladd
Alex Campbell
Sharon Gurney
Patricia Wilson
Artwork unavailable
Hugh Armstrong
The "Man"
Artwork unavailable
June Turner
The "Woman"
Clive Swift
Inspector Richardson
James Cossins
James Manfred O.BE.
Artwork unavailable
Heather Stoney
P.C.W. Alice Marshall
Artwork unavailable
Hugh Dickson
Dr. Bacon
Christopher Lee
Stratton-Villiers, MI5
Artwork unavailable
Jack Woolgar
Platform Inspector
Ron Pember
Lift Operator
Colin McCormack
Police Constable 1
Artwork unavailable
Gary Winkler
Police Constable 2
James Culliford
Publican
Artwork unavailable
Suzanne Winkler
Prostitute
Artwork unavailable
Gerry Crampton
Tunnel Worker
Artwork unavailable
Terry Plummer
Tunnel Worker
Artwork unavailable
Gordon Petrie
Tunnel Worker