How many movies have Leigh Whannell and Lindsay Seim collaborated on?

They have worked on 1 movie together! Their first movie together was Insidious: Chapter 2 (2013) and was their highest rated movie together. They have not worked together since Insidious: Chapter 2 (2013).

Crew
Screenplay
Role
Elise Rainier (adult)
Role
Specs
Crew
Story
Crew
Characters