By the Gun (formerly God Only Knows) is a 2014 American crime drama film directed by James Mottern and written by Emilio Mauro. The film stars Ben Barnes, Leighton Meester, Harvey Keitel, Kenny Wormald, Toby Jones, Paul Ben-Victor and Ritchie Coster. Barnes plays a low-level gangster who longs to become a made man, only to find that his life has become much more complicated once this happens.