Directed by
| Gary Sherman | ||
Writing Credits
| Ceri Jones | ... | (screenplay) |
| Gary Sherman | ... | (original story) |
Cast (in credits order) verified as complete
| Donald Pleasence | ... | Inspector Calhoun | |
| Norman Rossington | ... | Detective Sergeant Rogers | |
| David Ladd | ... | Alex Campbell | |
| Sharon Gurney | ... | Patricia Wilson | |
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Hugh Armstrong | ... | The 'Man' |
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June Turner | ... | The 'Woman' |
| Clive Swift | ... | Inspector Richardson | |
| James Cossins | ... | James Manfred, OBE | |
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Heather Stoney | ... | P.C.W. Alice Marshall |
| Hugh Dickson | ... | Dr. Bacon | |
| Jack Woolgar | ... | Platform Inspector | |
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Ron Pember | ... | Lift Operator |
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Colin McCormack | ... | Police Constable 1 |
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Gary Winkler | ... | Police Constable 2 |
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James Culliford | ... | Publican (Jimmy) |
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Suzanne Winkler | ... | Prostitute |
| Gerry Crampton | ... | Tunnel Worker | |
| Terence Plummer | ... | Tunnel Worker (as Terry Plummer) | |
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Gordon Petrie | ... | Tunnel Worker |
| Christopher Lee | ... | Stratton-Villiers, MI5 | |
| Rest of cast listed alphabetically: | |||
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Jack Arrow | ... | Tube Train Passenger (uncredited) |
| Jim Brady | ... | Tube Train Passenger (uncredited) | |
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Ned Lynch | ... | Tube Train Passenger (uncredited) |
Produced by
| Jay Kanter | ... | executive producer (uncredited) |
| Alan Ladd Jr. | ... | executive producer (uncredited) |
| Paul Maslansky | ... | producer |
Music by
| Wil Malone | ... | (as Wil Mallone) |
| Jeremy Rose | ||
Cinematography by
| Alex Thomson | ... | director of photography |
Editing by
| Geoffrey Foot | ||
Casting By
| Mary Selway | ||
Art Direction by
| Denis Gordon-Orr | ... | (as Dennis Gordon-Orr) |
Makeup Department
| Harry Frampton | ... | makeup designer |
| Peter Frampton | ... | makeup artist |
Production Management
| Joyce Herlihy | ... | production manager |
Second Unit Director or Assistant Director
| Lewis More O'Ferrall | ... | assistant director |
Art Department
| Tony Teiger | ... | property master |
Sound Department
| Cyril Collick | ... | sound recordist |
| Peter Gilpin | ... | dubbing recordist |
| John Hackney | ... | sound editor |
Special Effects by
| John Horton | ... | special effects (uncredited) |
Camera and Electrical Department
| David Cadwallader | ... | key grip |
| Dave Clarke | ... | chief electrician |
| Colin Corby | ... | camera operator |
| Trevor Brooker | ... | clapper loader (uncredited) |
| John Golding | ... | focus puller (uncredited) |
Music Department
| Wil Malone | ... | musical director (uncredited) |
| Jeremy Rose | ... | musical director (uncredited) |
Script and Continuity Department
| Kay Rawlings | ... | continuity |
Additional Crew
| Dustin Bernard | ... | production assistant (uncredited) |