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