A Monster Calls is an upcoming 2016 Spanish-British fantasy drama film directed by J. A. Bayona, based on the 2011 novel of the same name by Patrick Ness, who also wrote the screenplay and based on an original idea by Siobhan Dowd. The film stars Sigourney Weaver, Felicity Jones, Toby Kebbell, Lewis MacDougall, and Liam Neeson. The film is scheduled to be released on October 21, 2016, by Focus Features.
Source - @ Wikipedia