Inspector Hornleigh Goes To It

Inspector Hornleigh Goes To It (U.S. title: Mail Train) is a 1941 British detective film directed by Walter Forde and starring Gordon Harker, Alastair Sim, Phyllis Calvert and Edward Chapman. It was written by J.O.C. Orton and Val Guest based on a story by Frank Launder, and was the third and final film adaptation of the Inspector Hornleigh stories. It was released in America by 20th-Century Fox.