Trailer
Images
 | Suzy Kendall as Julie West |
 | Frank Finlay as Det. Chief Supt. Velyan |
 | Freddie Jones as Reporter |
 | James Laurenson as Greg Lomax |
 | Lesley-Anne Down as Tessa Hurst |
 | Tony Beckley as Leslie Sanford |
 | Anthony Ainley as Mr. Bartell |
 | Dilys Hamlett as Mrs. Sanford |
 | James Cosmo as Det. Sgt. Beale |
 | Marianne Stone as Matron |
 | Allan Cuthbertson as Coroner |
 | Kit Taylor as Doctor |
| Janet Lynn as Girl in Library |
 | Patrick Jordan as Sgt. Milton |
| Anabel Littledale as Susan Miller |
| Tom Chatto as Police Doctor |
| Jan Butlin as Day Receptionist |
 | William Hoyland as Chemist in Hospital |
 | John Swindells as Desk Sergeant |
| Jill Carey as Night Receptionist |
 | David Essex as Man in Chemist Shop |
| Valerie Shute as Girl in Chemist Shop |
 | John Stone as Fire Chief |
| Siobhan Quinlan as Jenny Greenaway |
| Patricia Driscoll as Mrs. Hurst (uncredited) |
 | Pat Gorman as Final scene pc (uncredited) |
| Charles Rayford as Dead Chemist (uncredited) |
 | Renu Setna as Doctor (uncredited) |
| Reg Thomason as Man in Police Station (uncredited) |
| Joe Wadham as Police Driver (uncredited) |
| Writing | |
| John Kruse | Screenplay |
| Kendal Young | Novel |
Directing | |
| Sidney Hayers | Director |
Production | |
| Peter Rogers | Producer |
Sound | |
| Eric Rogers | Original Music Composer |
Costume & Make-Up | |
| Courtenay Elliott | Costume Design |
Production | |
| Tony Wallis | Production Manager |
Art | |
| Lionel Couch | Art Direction |
Camera | |
| Ken Hodges | Director of Photography |
Editing | |
| Anthony Palk | Editor |
Camera | |
| George Minassian | Camera Operator |
Directing | |
| Stuart Freeman | Assistant Director |
Sound | |
| Barry Copland | Sound Recordist |
| Ken Barker | Sound Recordist |
Directing | |
| Ene Watts | Continuity |
Costume & Make-Up | |
| Courtenay Elliott | Costume Designer |
| Geoffrey Rodway | Makeup Artist |
| Joyce Woods | Hairdresser |
Sound | |
| William Trent | Sound Editor |
Art | |
| William Alexander | Assistant Art Director |
| Peter Howitt | Set Decoration |
Directing | |
| Jan Darnley-Smith | Second Unit Director |
Camera | |
| John Cabrera | Second Unit Director of Photography |
Sound | |
| Eric Rogers | Conductor |
Production | |
| George H. Brown | Producer |
