Oh, Mr Porter! (1937) is a British comedy film starring Will Hay with Moore Marriott and Graham Moffatt and directed by Marcel Varnel. While not Hay's most commercially successful, it is probably his best-known film to modern audiences. It is widely acclaimed as the best of Hay's work, and a classic of its genre. br br The plot of Oh, Mr Porter was loosely based on the Arnold Ridley play The Ghost Train. The title was taken from Oh! Mr Porter, a music hall song.