Insidious: Chapter 3 is a 2015 supernatural horror film written and directed by Leigh Whannell. The film is a prequel to the first two films and the third installment in the Insidious franchise. Focusing on a new family and story, the film stars Dermot Mulroney and Stefanie Scott, with Angus Sampson, Whannell, and Lin Shaye reprising their...