

87 minutes
10/13/1972
When a government official disappears in the London tunnels, after several reports of missing people in the same location, Scotland Yard start to take the matter seriously, along with a couple who stumble into a victim by accident.

Donald Pleasence
as Inspector Calhoun

Norman Rossington
as Det.Sgt. Rogers

David Ladd
as Alex Campbell

Sharon Gurney
as Patricia Wilson
Hugh Armstrong
as The "Man"
June Turner
as The "Woman"

Clive Swift
as Inspector Richardson

James Cossins
as James Manfred O.BE.
Heather Stoney
as P.C.W. Alice Marshall
Hugh Dickson
as Dr. Bacon

Christopher Lee
as Stratton-Villiers, MI5
Jack Woolgar
as Platform Inspector

Ron Pember
as Lift Operator

Colin McCormack
as Police Constable 1
Gary Winkler
as Police Constable 2

James Culliford
as Publican
Suzanne Winkler
as Prostitute
Gerry Crampton
as Tunnel Worker
Terry Plummer
as Tunnel Worker
Gordon Petrie
as Tunnel Worker