Brian Duffield

Brian Duffield (born November 5, 1985) is an American filmmaker. He wrote and directed the 2020 dark comedy coming-of-age film Spontaneous (2020), the sci-fi horror film No One Will Save You (2023), and the survival thriller film Whalefall (2026). He has also written the screenplays for several films, including The Divergent Series: Insurgent (2015), The Babysitter (2017), Love and Monsters, and Underwater. He has had several spec scripts featured on The Black List, an industry log of highly regarded but unproduced screenplays, including Jane Got a Gun (2015) and Your Bridesmaid is a Bitch.