
William Belleau
Acting
Biography
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.
Born: April 15, 1982
Place of Birth: Williams Lake, British Columbia, Canada
Known For

The Last of Us
Twenty years after modern civilization has been destroyed, Joel, a hardened survivor, is hired to smuggle Ellie, a 14-year-old girl, out of an oppressive quarantine zone. What starts as a small job soon becomes a brutal, heartbreaking journey, as they both must traverse the United States and depend on each other for survival.

Psych
Thanks to his police officer father's efforts, Shawn Spencer spent his childhood developing a keen eye for detail (and a lasting dislike of his dad). Years later, Shawn's frequent tips to the police lead to him being falsely accused of a crime he solved. Now, Shawn has no choice but to use his abilities to perpetuate his cover story: psychic crime-solving powers, all the while dragging his best friend, his dad, and the police along for the ride.

The Unforgivable
A woman is released from prison after serving a sentence for a violent crime and re-enters a society that refuses to forgive her past.

Killers of the Flower Moon
When oil is discovered in 1920s Oklahoma under Osage Nation land, the Osage people are murdered one by one—until the FBI steps in to unravel the mystery.

Supergirl
Twenty-four-year-old Kara Zor-El, who was taken in by the Danvers family when she was 13 after being sent away from Krypton, must learn to embrace her powers after previously hiding them. The Danvers teach her to be careful with her powers, until she has to reveal them during an unexpected disaster, setting her on her journey of heroism.

The English
An aristocratic Englishwoman, Lady Cornelia Locke, arrives into the new and wild landscape of the American West to wreak revenge on the man she sees as responsible for the death of her son.

Fresh
Frustrated by scrolling dating apps only to end up on lame, tedious dates, Noa takes a chance by giving her number to the awkwardly charming Steve after a produce-section meet-cute at the grocery store.

The Dancing Cop
A cop comes across what he suspects to be a shoplifter caught in the act, but the confrontation doesn't go nearly as expected.

Outer Range
A rancher fighting for his land and family stumbles upon an unfathomable mystery at the edge of Wyoming’s wilderness, forcing a confrontation with the Unknown in ways both intimate and cosmic in the untamable American West.

Frontier
In 18th-century North America, ruthless trappers and entrepreneurs fight to wrest control of the fur trade from the mighty Hudson's Bay Company.
Filmography
as Doug
as Self
as Officer Butterfly Jimenez
as Chen-Ke
as Robert Esket
as Henry Roan
as Councilman
as Kills on Water
as Lewis Mays
as Man
as Bob Farrior
as Shooker
as Man
as Dimanche
as Angry Inmate
as Middle logger
as Travers
as Tyee
as Quileute Warrior
as Longfellow
as Young Pawnee
as Wampanoag man