A murderer is brought to court and only Miss Marple is unconvinced of his innocence. Once again she begins her own investigation.
| Sound | Ron Goodwin | Original Music Composer |
| Writing | Agatha Christie | Novel |
| Writing | Jack Seddon | Screenplay |
| Production | Irene Howard | Casting |
| Camera | Desmond Dickinson | Director of Photography |
| Production | Ben Arbeid | Producer |
| Writing | David Pursall | Screenplay |
| Directing | George Pollock | Director |
| Editing | Ernest Walter | Editor |
| Production | Lawrence P. Bachmann | Executive Producer |
| Production | Sydney Streeter | Production Manager |
| Sound | A.W. Watkins | Recording Supervision |
| Sound | Allan Sones | Sound Editor |
| Art | Frank White | Art Direction |
| Camera | Alan McCabe | Camera Operator |
| Sound | Ron Goodwin | Conductor |
| Directing | David Tomblin | Assistant Director |
| Sound | Cyril Swern | Sound Recordist |
| Sound | J.B. Smith | Sound Mixer |
