Director: Farren Blackburn Starring: Naomie Watts, Oliver Platt, Charlie Heaton, Jacob Tremblay, Crystal Balint, Alex Braunstein, David Cubitt Written by: Christina Hodson Running Time: 91 mins Cert: 15 Release date: 24th February 2017 Shut In follows a long line of thrillers that use being trapped or locked in a building as a backdrop for scares,…