- Known for
- Acting
- Born
- Apr 15, 1982 (44 years old)
- Place of birth
- Williams Lake, British Columbia, Canada
William Belleau
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.
