Gary Sherman Director, Writer Donald Pleasence Inspector Calhoun Actor Ron Pember Lift Operator Actor Colin McCormack Police Constable 1 Actor Norman Rossington Detective Sergeant Rogers Actor Clive Swift Inspector Richardson Actor Jack Woolgar Platform Inspector Actor James Cossins James Manfred, OBE Actor Hugh Armstrong The "Man" Actor Christopher Lee Stratton-Villiers, MI5 Actor Sharon Gurney Patricia Wilson Actor David Ladd Alex Campbell Actor June Turner The "Woman" Actor Heather Stoney W.P.C. Alice Marshall Actor Hugh Dickson Dr. Bacon Actor Gary Winkler Police Constable 2 Actor James Culliford Publican Actor Suzanne Winkler Prostitute Actor Gerry Crampton Tunnel Worker Actor Gordon Petrie Tunnel Worker Actor Terence Plummer Tunnel Worker Actor Ceri Jones Screenwriter Paul Maslansky Producer Alex Thomson Cinematographer Geoffrey Foot Film Editing Dennis Gordon-Orr Art Director Mary Selway Casting Wil Malone Original Music Jeremy Rose Original Music