Brian Duffield

Brian Duffield (also credited as Brian C. Duffield) is an American screenwriter and filmmaker born on November 5, 1985, in Pennsylvania, USA. Known for sharp genre storytelling, he has built a reputation for blending character-driven emotion with high-concept thrills.

Duffield stepped into directing with the darkly funny coming-of-age film Spontaneous (2020), then expanded his profile with the sci-fi horror hit No One Will Save You (2023). He continued as a writer-director on the survival thriller Whalefall (2026), reinforcing his place among modern genre auteurs.

As a writer, his credits include Love and Monsters (2020), Underwater (2020), The Babysitter (2017), and Insurgent (2015). He’s also recognized in the industry for multiple spec scripts highlighted on The Black List, including work connected to Jane Got a Gun (2015) and the provocatively titled Your Bridesmaid is a Bitch.