The Spider and the Fly is a 1949 British crime film directed by Robert Hamer and starring Eric Portman, Guy Rolfe and Nadia Gray. The screenplay concerns an unusual love triangle that develops between two criminals and a policeman on the eve of the First World War. Hamer made it immediately after Kind Hearts and Coronets.

Eric Harold Portman was an English stage and film actor. He is probably best remembered for his roles in three films for Michael Powell and Emeric Pressburger during the 1940s.