Following in the very British tradition of John Wyndham’s short story Confidence Trick, via Chris Smith’s Creep and John Landis’s An American Werewolf in London, this likable low-budget lycanthrope B-picture sends a late-night train into a misty woodland hell where rubber-suited monsters await. The dynamic tensions of the endangered group are swiftly established – leering businessman, stroppy, earphoned teen, resourceful trolley-girl etc – and the upright monster effects are given some bite by Agnieszka Liggett’s snappy editing. Engagingly sympathetic portrayals of stoical working women and harassed railway guards keep us on side as the action rattles through familiar generic junctions.