Daniel Radcliffe GTA Movie BBC Gamechangers Daniel Radcliffe, GTA Movie BBC: Gamechangers, is the story of Sam and Dan Houser , founders of Rockstar Games and the brothers responsible for some of the most violent video games of all time . The Grand Theft Auto movie trailer is out despite Rockstar's attempt to shut it down in order to protect the company's intellectual property. BBC released a trailer for its upcoming Grand Theft Auto movie based on Sam and Dan Houser 's company, Rockstar. The trailer show Daniel Radcliffe (Harry Potter) playing Sam Houser, GTA 's co-creator while Bill Paxton (Apollo 13) plays Jack Thompson, an U.S. attorney who launched a campaign against GTA . Daniel Radcliffe GTA BBC Gamechangers Thompson's crusade against violent video games lasted until he was disbarred in 2008 . Given that the battles between Thompson and Rockstar Games really heated up prior to the release of Grand Theft Auto IV: Sa...