 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 |
| JJohn AdamsConstable (uncredited) | Constable (uncredited) |
 Edwin AppsPolice Constable Carrying Tea Tray (uncredited) | Police Constable Carrying Tea Tray (uncredited) |
| JJack ArmstrongJury Member (uncredited) | Jury Member (uncredited) |
| SSydney ArnoldVicar (uncredited) | Vicar (uncredited) |
| BBrian BatesSolicitor / Man with Newspaper (uncredited) | Solicitor / Man with Newspaper (uncredited) |
| JJoe BeckettMan in Court (uncredited) | Man in Court (uncredited) |
| TTony CastletonJury Member (uncredited) | Jury Member (uncredited) |
| BBilly CorneliusJury Member (uncredited) | Jury Member (uncredited) |
| FFred DavisConstable (uncredited) | Constable (uncredited) |
| RReggie de BeerJury Member (uncredited) | Jury Member (uncredited) |
| JJohn DunbarJury Foreman (uncredited) | Jury Foreman (uncredited) |
| EEric FrancisStage Manager (uncredited) | Stage Manager (uncredited) |
