On the Fiddle released as Operation Snafu and Operation War Head in the United States is a 1961 British comedy film directed by Cyril Frankel and starring Sean Connery, Alfred Lynch, Cecil Parker, Stanley Holloway, Eric Barker, Mike Sarne, Wilfrid HydeWhite, Kathleen Harrison, Victor Maddern and John Le Mesurier.
During the Second World War, spiv Horace Pope is taken to court for street peddling. In mitigation he tells the judge he is only working in the black market while waiting to enlist in the war effort. On hearing this plea, the judge calls his bluff and forces him to sign up.Pope joins the RAF. Very quickly he makes friends with the easy going, but loyal, Pedlar Pascoe who happily goes along with all of his scams, which mainly involve taking money for leave passes and for organising postings close to home. The pair do their utmost to make a bit on the side and avoid being sent into action. ........
Source: Wikipedia