A murderer is brought to court and only Miss Marple is unconvinced of his guilt. Once again she begins her own investigation.
| Actor | Role |
|---|---|
 Margaret RutherfordMiss Jane Marple | Miss Jane Marple |
 Ron MoodyH. Driffold Cosgood | H. Driffold Cosgood |
 Charles TingwellInspector Craddock | Inspector Craddock |
 Andrew CruickshankJustice Crosby | Justice Crosby |
 Megs JenkinsGladys Thomas | Gladys Thomas |
 Ralph MichaelRalph Summers | Ralph Summers |
 James BolamBill Hanson | Bill Hanson |
 Stringer DavisJim Stringer | Jim Stringer |
 Francesca AnnisSheila Upward | Sheila Upward |
 Pauline JamesonMaureen Summers | Maureen Summers |
 Annette KerrDorothy | Dorothy |
 Alison SeebohmEva McGonigall | Eva McGonigall |
 Windsor DaviesSergeant Brick | Sergeant Brick |
| NNeil StacyArthur | Arthur |
| MMaurice GoodGeorge Rowton | George Rowton |
| SStella TannerFlorrie Harris | Florrie Harris |
 Dennis PriceHarris Tumbrill | Harris Tumbrill |
 Terry ScottPolice Constable Wells | Police Constable Wells |