Insidious 4: The Last Key | Extended Spot "Big Whistle" + Trailer: directed by series newcomer Adam Robitel. The franchise welcomes back standout Lin Shaye as Dr. Elise Rainie.

The film is written by co-creator Leigh Whannell (Saw), who wrote the trilogy and directed Chapter 3; produced by Insidious regulars Jason Blum (The Purge series, Get Out), Oren Peli (Paranormal Activity) and co-creator James Wan (The Conjuring, Furious 7).