Diagnosis: Murder (1974) — Cast
Cast
| David Langford | Macy Gray |
| Hugh Smith-Marriott | DI Chapman |
| Hubert Tucker | Ronalds |
| David Trevena | Merle Johnson |
| Daphne Neville | Nurse |
| Adrian Cairns | Morgan O'Mally |
| Judy Geeson | Helen |
| Jane Merrow | Daryl Dawson |
| Christopher Lee | Hayward |
| Colin Jeavons | English Bob |
| Dilys Hamlett | Hayward |
| Tony Beckley | Sgt. Taggart |
| Jon Finch | Lomax |
Crew
| Kenneth Jones | Art Direction |
| F. Sherwin Green | Production Supervisor |
| Michael Towers | Associate Producer |
| John W. Carr | Assistant Editor |
| Philip Levene | Screenstory |
| Mike Davey | Sound Recordist |
| Ben Roberts | Writer |
| Ivan Goff | Writer |
| Laurie Johnson | Original Music Composer |
| Patrick Dromgoole | Executive Producer |
| Barry Peters | Supervising Editor |
| Bob Edwards | Director of Photography |
| Christine Penwarden | Makeup Artist |
| Ken Bridgeman | Set Decoration |
| Peter Miller | Producer |
| Sidney Hayers | Director |
| David Williams | Editor |