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.

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Known For

The Last of Us

2023 • as Councilman

Psych

2006 • as Longfellow

Supergirl

2015 • as Angry Inmate

Frontier

2016 • as Dimanche

Outer Range

2022 • as Lewis Mays

The English

2022 • as Kills on Water

Filmography

2025

Eddington

as Officer Butterfly Jimenez

Movie - Released: 7/16/2025

2024

Echo

as Chen-Ke

TV - Released: 1/9/2024

2023

Killers of the Flower Moon

as Henry Roan

Movie - Released: 10/18/2023

Lifers

as Robert Esket

Movie - Released: 11/5/2023

The Last of Us

as Councilman

TV - Released: 1/15/2023

2022

Fresh

as Man

Movie - Released: 3/3/2022

The English

as Kills on Water

TV - Released: 11/10/2022

Outer Range

as Lewis Mays

TV - Released: 4/14/2022

2021

The Unforgivable

as Bob Farrior

Movie - Released: 11/24/2021

2019

Blood Quantum

as Shooker

Movie - Released: 9/5/2019

2017

Imaginary Mary

as Man

TV - Released: 3/29/2017

2016

Frontier

as Dimanche

TV - Released: 11/6/2016

2015

Blackway

as Middle logger

Movie - Released: 10/3/2015

Supergirl

as Angry Inmate

TV - Released: 10/26/2015

2014

Movie

The Candy Meister

as Nomakks

Movie - Released: 10/30/2014

2012

The Dancing Cop

as Travers

Movie - Released: 9/10/2012

2011

Ice Road Terror

as Tyee

Movie - Released: 7/11/2011

2010

The Twilight Saga: Eclipse

as Quileute Warrior

Movie - Released: 6/23/2010

2006

Psych

as Longfellow

TV - Released: 7/7/2006

2003

Dreamkeeper

as Young Pawnee

Movie - Released: 12/28/2003

1988

American Experience

as Wampanoag man

TV - Released: 10/4/1988