Donald Pleasence
Inspector Calhoun
Norman Rossington
Det.Sgt. Rogers
Sharon Gurney
Patricia Wilson
Clive Swift
Inspector Richardson
James Cossins
James Manfred O.BE.
Heather Stoney
P.C.W. Alice Marshall
Christopher Lee
Stratton-Villiers, MI5
Jack Woolgar
Platform Inspector
Colin McCormack
Police Constable 1
Gary Winkler
Police Constable 2
Suzanne Winkler
Prostitute
Gerry Crampton
Tunnel Worker
Terry Plummer
Tunnel Worker
Gordon Petrie
Tunnel Worker