William Belleau (born April 15, 1982) is a Secwépemc Canadian actor known for his roles in films such as Killers in the Flower Moon (2023) and Eddington (2025), as well as the drama television series Frontier.
In May of 2020, a standoff between a small-town sheriff and mayor sparks a powder keg as neighbor is pitted against neighbor in Eddington, New Mexico. Only in theaters July 18.
