Margaret Rutherford and a superbly theatrical Ron Moody star in this murder-mystery caper about a murder of "Mrs. McGinty". "Miss Marple" is seconded onto the jury but is unconvinced by the police evidence against their alleged perpetrator - the lodger - and off she sets on her own trail of detection that involves her taking up a role with a local drama troupe headed by Moody. This features a solid ensemble cast…