An empathetic Timothy Spall beetles his brows as Albert Pierrepoint, Britain's top-of-the-line public executioner from the 1930s into the 1950s, who, when he wasn't dispensing swift justice with a rope, liked to raise a pint and sing in pubs. (Juliet Stevenson keeps her own upper lip rigid as Mrs. P.) This measured bio-production might be viewed as a lesser companion piece to Vera Drake although in the case of Pierrepoint The Last Hangman, all the period-piece tastefulness makes for a story more instructive than emotionally tangible. B

