The Revenant is a 2015 American historical drama film directed, co-produced, and co-written by Alejandro G. Iñárritu. The screenplay by Iñárritu and Mark L. Smith is based in part on Michael Punke's eponymous novel, inspired by the experiences offrontiersman Hugh Glass in 1823, in what is now Montana and South Dakota. It stars Leonardo DiCaprio as Glass, and co-starsTom Hardy, Domhnall Gleeson, and Will Poulter.
Development began in August 2001 when producer Akiva Goldsman purchased Punke's manuscript. Iñárritu signed on to direct in August 2011, and in April 2014, after several delays due to other projects, Iñárritu confirmed that he was beginning work on The Revenant and that DiCaprio would play the lead role. Principal photography began in October 2014; problems with location and crew delayed the film from May to August 2015.