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 Unforgivable
Bob Farrior
Fresh
Man
Dreamkeeper
Young Pawnee
The Dancing Cop
Travers
Blackway
Middle logger
Blood Quantum
Shooker
Ice Road Terror
Tyee
The Twilight Saga: Eclipse
Quileute Warrior
Killers of the Flower Moon
Henry Roan
Lifers
Robert Esket
Eddington
Officer Butterfly Jimenez
Made in Eddington
Self