William MacDonald

William Mac Donald

57Roles★ 6.9Average rating

William MacDonald is a prolific Canadian actor and producer known for extensive work in television, film, and over 80 theatrical productions. He is recognized for roles in Riverdale, The Good Doctor, Supergirl (Dr. Kaplan), and The Flash (Gene Huskk). He is frequently confused with fellow Canadian actor Bill MacDonald, as both share similar credits and guest-star in similar procedural dramas.

Known for

Riverdale2017The Good Doctor2017The Flash2014Supernatural2005

Filmography

YearRating

Series★ 8.2

I Will Find You2026

Danny Ramirez

Series★ 7.3

Stick2025

Ron(uncredited)

Series★ 7.6

Tracker2024

Sheriff Gale

★ 5.5

Double Life2023

Glen Vukovich

Series★ 7.7

The Night Agent2023

Henry

Series★ 8.4

The Last of Us2023

Double

★ 5.4

#Xmas2022

Jack Faison

★ 5.8

A Godwink Christmas: Miracle of Love2021

John Fellman

★ 5.3

There's Someone Inside Your House2021

Mr. Sandford

Series★ 7.8

Resident Alien2021

Farmer

Series★ 7.8

Upload2020

Reverend Peyfort

★ 5.9

Garage Sale Mysteries: Picture a Murder2018

Scott Brady

★ 6.9

Summer of 842018

Sheriff Caldwell

★ 6.5

Past Malice: An Emma Fielding Mystery2018

Sherman Arlington

Series★ 7.4

The Terror2018

George Nicol

★ 6.7

Concrete Evidence: A Fixer Upper Mystery2017

Principal Darren Dean

Series★ 8.4

Riverdale2017

Principal Featherhead

Series★ 8.5

The Good Doctor2017

Bob Cravens

Series★ 7.6

Travelers2016

Gary Holden

Series★ 7.3

Supergirl2015

Dr. Kaplan

★ 5.8

The Captive2014

Frank

Series★ 7.7

The Flash2014

Gene Huskk

Series★ 7.1

Hemlock Grove2013

Jeargen Knauff

★ 5.1

Cold Blooded2012

Louis Holland

Series★ 7.5

Haven2010

Boss Mechanic

Series★ 7

Republic of Doyle2010

Logan Hicks

Series★ 7.7

Rookie Blue2010

Buson / Sheldon

★ 6

Northern Lights2009

Deputy Otto Gruber

Series★ 7.4

Stargate Universe2009

Virgil Biggs

Series★ 6.9

The Listener2009

Matt Collins

★ 5.4

On the Other Hand, Death: A Donald Strachey Mystery2008

Jonas Baskin

★ 5.6

White Noise 2: The Light2007

Dr. Karras

★ 5

Hollow Man II2006

Col. Gavin Bishop

★ 5

Absolute Zero2006

Dempsy

★ 4.8

Final Days of Planet Earth2006

Cruikshank

★ 6.5

Slither2006

Mr. Strutemyer

Series★ 7.9

Psych2006

Phil

Series★ 8.3

Supernatural2005

Abraham Peterson

Series★ 8

Stargate Atlantis2004

Captain Griffin

★ 7

The Snow Walker2003

Miner in Bar

Series★ 7.3

Tru Calling2003

Neighbour

Series★ 8.2

Mayday2003

First Officer Dillard

Series★ 7.3

The Dead Zone2002

Cathan Donnegal

Series★ 8.2

Smallville2001

Masterson

★ 6.3

Romeo Must Die2000

Officer

★ 4.2

Dudley Do-Right1999

In the Back

★ 4.4

Don't Look Down1998

Ben

Series★ 7.7

Millennium1996

Agent Nolan

Series★ 6.2

Poltergeist: The Legacy1996

Jones

Series★ 7.2

The Sentinel1996

Dell

Series★ 7.7

The Outer Limits1995

FBI Special Agent Grant

Series★ 7.6

Sliders1995

Medical Moonsuit

Series★ 6.2

Viper1994

Harper

Series★ 8.4

The X-Files1993

Dr. Oppenheim

★ 5.4

The Fourth War1990

MP Corporal

Series★ 8

Quantum Leap1989

Conductor

Series★ 7.7

MacGyver1985

Paramedic