The Weinstein Co‘s One Chance is the rags-to-riches story of Britain’s Got Talent‘s 2007 winner Paul Potts. The David Frankel-directed pic stars James Corden as Potts, the cell phone salesman who became an overnight sensation and a successful opera singer. Julie Walters, Mackenzie Crook, Colm Meaney, Jemima Rooper and Alexandra Roach also star. It world premieres on Monday as a Special Presentation in Toronto. Here’s the first trailer: