Murder Most Foul (1964) 1/2 Margaret Rutherford Dennis Price Francesca Annis Ron Moody

Margaret McGinty, a barmaid and former actress, is found hanged, and her lodger, Harold Taylor, caught at the scene, seems plainly guilty. Everyone believes it to be an open-and-shut case ... except for Miss Marple. She is the lone holdout in the jury that tries him, leading to a mistrial.