The Man Within is a 1947 British, Technicolor, adventure, crime, drama film, directed by Bernard Knowles and starring Ronald Shiner as Cockney Harry, Michael Redgrave, Jean Kent, Joan Greenwood and Richard Attenborough. In the United States, it was released in a slightly shorter version, retitled The Smugglers. It was produced by Triton Films and Production Film Service. The film was also presented by J. Arthur Rank and the Rank Organisation. The film was adapted from the 1929 novel The Man Within by Graham Greene.

Ronald Alfred Shiner was a British stand-up comedian and comedy actor whose career encompassed film, West End theatre and music hall.