Never Let Me Go is a 2010 British dystopian alternate history romantic drama film based on Kazuo Ishiguro's 2005 novel of the same name. The film was directed by Mark Romanek from a screenplay by Alex Garland. Never Let Me Go is set in an alternate history and centres on Kathy, Ruth and Tommy portrayed by Carey Mulligan, Keira Knightley and Andrew Garfield respectively, who become entangled in a love triangle. Principal photography began in April 2009 and lasted several weeks. The movie was filmed at various locations, including Andrew Melville Hall. Never Let Me Go was produced by DNA Films and Film4 on a $15 million budget.