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.
The story of outlaw Arthur Morgan and the Van der Linde gang as they rob, fight and steal their way across the vast and rugged heart of America in order to survive.
