After directing documentaries of various
David Fincher films for over ten years, Prior helmed his first independent short film
AM1200 in 2008. In February 2016, he was hired to write and direct his feature film debut, the supernatural horror film
The Empty Man, based on the graphic novel
of the same name from
Boom! Studios. In September 2021, he was hired to direct an episode on the
Netflix series ''
Guillermo del Toro's Cabinet of Curiosities''. In December 2021, he co-created, executive produced, and directed two episodes of Fincher's
Netflix series
Voir. By September 2025, he was hired to write and direct the Netflix film
The Boy in the Iron Box, based on the short story of the same name by
Guillermo del Toro. == Filmography ==