Miss Marple and Mr. Stringer are witnesses to the death by heart attack of elderly, rich Mr. Enderby. Yet they have their doubts about what happened. The police don't believe them, thus leading Miss Marple to yet again investigate by herself.
Unfortunately the movie Murder at the Gallop is not yet available on Disney Plus.
| Production | George H. Brown | Producer |
| Production | Lawrence P. Bachmann | Producer |
| Writing | Agatha Christie | Novel |
| Camera | Arthur Ibbetson | Director of Photography |
| Editing | Bert Rule | Editor |
| Directing | George Pollock | Director |
| Writing | James P. Cavanagh | Screenplay |
| Sound | Ron Goodwin | Original Music Composer |
| Sound | Denis Rogers | Sound Editor |
| Sound | J.B. Smith | Sound Editor |
| Production | Irene Howard | Casting Director |
| Costume & Make-Up | Pearl Orton | Hairdresser |
| Crew | Tom Howard | Special Effects |
| Directing | Betty Harley | Continuity |
| Art | Frank White | Art Direction |
| Directing | Basil Rayburn | Assistant Director |
| Costume & Make-Up | Eddie Knight | Makeup Artist |
| Sound | David Bowen | Sound Recordist |
| Production | Sydney Streeter | Production Manager |
| Camera | Paul Wilson | Camera Operator |
| Sound | A.W. Watkins | Recording Supervision |
| Costume & Make-Up | Maude Churchill | Wardrobe Master |
| Sound | Geoffrey Kidd | Boom Operator |
| Art | John Barry | Assistant Art Director |
