The Narrow Margin

A terrific B movie from RKO that takes place almost entirely on board a train from Chicago to Los Angeles. Walter Brown (McGraw) is a hard-boiled detective who, with his partner, Gus Forbes (Beddoe), is assigned to escort a racketeer's widow (Windsor) to a West Coast court where she will give testimony before a grand jury. However, three thugs aboard the train are trying to shut her up--permanently. Unfortunately for the gang members, they do not know what the widow looks like, so they bump off anyone they suspect might be their quarry. While far from a masterpiece, THE NARROW MARGIN is a well-executed programmer that turned a fantastic profit for RKO, considering ...