Cast & crew
Fear Is the Key (1972)
Directed by Michael Tuchner Written by Robert Carrington
Cast
| Barry Newman | John Talbot |
| Suzy Kendall | Sarah Ruthven |
| Elliott Sullivan | Judge Mollison |
| John Alderson | Tanner (uncredited) |
| John Vernon | Vyland |
| Dolph Sweet | Jablonsky |
| Ben Kingsley | Royale |
| Ray McAnally | Ruthven |
| Peter Marinker | Larry |
| Roland Brand | Deputy |
| Tony Anholt | FBI Agent |
| James Berwick | (uncredited) |
| Hal Galili | Cibatti (uncredited) |
| Ernie Heldman | Bartender (uncredited) |
Crew
| Michael Tuchner | Director |
| Alistair MacLean | Novel |
| Alex Thomson | Director of Photography |
| Robert Carrington | Screenplay |
| Elliott Kastner | Executive Producer |
| Syd Cain | Production Design |
| Jay Kanter | Producer |
| Roy Budd | Music |
| Maurice Carter | Production Design |
| Gavrik Losey | Associate Producer |
| Mary Selway | Casting |
| Colin M. Brewer | Assistant Director |
| Alan Ladd Jr. | Producer |
| Ray Lovejoy | Editor |
| Chris Kenny | Second Assistant Director |
| Tony Jackson | Sound Recordist |
| Brian Frost | First Assistant Editor |
| Joie Chitwood Jr. | Stunt Driver |
| Ronnie Cogan | Hairstylist |
| K.C. Jones | Second Unit Cinematographer |
| Colin Corby | Camera Operator |
| Carey Loftin | Stunt Coordinator |
| Nick Allder | Special Effects |
| Bob Lawrance | Makeup Artist |
| Carey Loftin | Stunt Driver |
| Derek Meddings | Special Effects |
| Joe Powell | Stunts |
| David Munro | Second Assistant Director |
| Peter Cotton | Third Assistant Director |
| Simon Wakefield | Set Dresser |
| Stan Fiferman | ADR Editor |
| Bill Rowe | Sound Re-Recording Mixer |