Cast
Donald Pleasence
Inspector Calhoun
Norman Rossington
Det.Sgt. Rogers
David Ladd
Alex Campbell
Sharon Gurney
Patricia Wilson
H
Hugh Armstrong
The "Man"
J
June Turner
The "Woman"
Clive Swift
Inspector Richardson
James Cossins
James Manfred O.BE.
H
Heather Stoney
P.C.W. Alice Marshall
H
Hugh Dickson
Dr. Bacon
Christopher Lee
Stratton-Villiers, MI5
J
Jack Woolgar
Platform Inspector
Ron Pember
Lift Operator
Colin McCormack
Police Constable 1
G
Gary Winkler
Police Constable 2
