New Delhi, Nov 6 (ANI): Naomi Watts has joined the cast of upcoming psychological thriller ' Shut In.' The indie project, which is based on the Blacklist screenplay by Christina Hodson, would be helmed by Farren Blackburn, a leading web portal reported. The film, which is being co-produced, financed and distributed worldwide by Europa Corp and Lava Bear Films, would begin filming in Europe in 2015.