Brian Duffield

Brian Duffield (born November 5, 1985) is an American filmmaker. He wrote and directed the 2026 survival thriller film Whalefall, the 2023 sci-fi horror film No One Will Save You and the 2020 dark comedy coming-of-age film Spontaneous. His previous writing credits include Love and Monsters, Underwater (2020), The Babysitter (2017) and Insurgent (2015). He is known for having multiple spec scripts featured in The Black List, an industry log of highly regarded but unproduced screenplays, including his scripts for Jane Got a Gun (2015) and Your Bridesmaid is a Bitch.

Early life Duffield was born on November 5, 1985, the son of Brenda and Brian Duffield. He has two sisters and spent the first nine years of his life in Harrisburg, Pennsylvania. In 1995, he moved with his family to rural Ireland when his parents decided to become evangelical missionaries. He later described the surroundings of the area in which they settled as being completely remote and lacking in popular culture. After graduation, he moved to Universal City, California for a summer internship through Temple University at the Oakwoods apartments prior to the 2007–08 Writers Guild of America strike and at the beginning of the Great Recession. From there, he worked various jobs before becoming a professional screenwriter. His first job in Los Angeles was at the now defunct Storyopolis, a children's book store/art gallery, in Studio City, where he worked with writer Blake Harris.

Career 2012–2020: Screenwriter Duffield's first spec script sale was for Your Bridesmaid is a Bitch to Skydance Media. Several days later, they got a meeting with Skydance, who bought the script. Black List Live!, a live monthly stage reading of scripts featured on the Black List, did a performance of Your Bridesmaid is a Bitch in 2014.

Duffield sold his script for Monster Problems to Paramount Pictures in 2012. The film underwent some rewrites by Matthew Robinson and was renamed Love and Monsters before being released in October 2020.

Duffield's first writing assignment was for the film adaptation of the second book in the Divergent trilogy, Insurgent (2015), in 2013. In 2020, the thriller Underwater starring Kristen Stewart was released. The screenplay was by Duffield and revised by Adam Cozad.

2020–present: Writer-director Later in 2020, Duffield made his writer-director debut with the dark comedy Spontaneous.

His next film as a writer-director, No One Will Save You, was released straight-to-streaming in 2023.

Upcoming Duffield will next direct an adaptation of Whalefall, the script for which he co-wrote with the novel's writer Daniel Kraus; It will be released on October 16, 2026.

He is also set to write and direct Crumble, a film about a married couple who go on a world-traversing adventure in the hope of finding a cure to an ancient curse, for Laika LLC.

In 2026, it was announced that Duffield would direct a film based on Trevor Henderson's internet phenomenon Siren Head.

Personal life Duffield is married. 2027 Skeletons Filming

Television Series