Madso's War is a 2010 American crime thriller television film directed by Walter Hill and written by Chris Bertolini.
It stars Matthew Marsden, Kelly Overton, Kevin Chapman, Michael Mulheren, David Patrick Kelly, William Lee Scott, and Tim Murphy, with Harris Yulin, Mircea Monroe, Adam Trese, Billy Lush, Billy Smith, James Colby, Joel Marsh Garland, and Allan Graf in supporting roles.
After the boss of Boston's Irish mob leaves town, a low-level gangster, Madso Madden, gathers a group of petty crooks to seize control of the streets.
The film was based on an idea by executive producer Dana White, best known for his association with Ultimate Fighting Championship, who had lived in Boston and wanted to tell a story about the Irish mafia gang of Whitey Bulger.
He further stated, "We're going to push the limits on this show, like Nip/Tuck and The Shield — violence, sex, bad language.