Coalition is a 2015 British television film about the formation of a coalition government following the 2010 general election. It was broadcast on Channel 4 on 28 March 2015, shortly before that year's general election. The film was written by James Graham and starred Bertie Carvel as Nick Clegg, Ian Grieve as Gordon Brown, and Mark Dexter as David Cameron. Graham wrote the film in the aim of giving humanity and enabling empathy to all of the figures portrayed within it, which earned it positive reviews from critics.