William MacDonald

Known For: Acting
Born: —
Place of Birth: —

William MacDonald

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.

Filmography

I Will Find You

2026 · Danny Ramirez

The Couple Across the Street

2026 · Tom Sullivan

Another Sweet Christmas

2025 · Declan 'Fitzy' Fitzgerald

Stick

2025 · Ron(uncredited)

Home Sweet Christmas

2024 · Declan 'Fitzy' Fitzgerald

Tracker

2024 · Sheriff Gale

Double Life

2023 · Glen Vukovich

The Blessing Bracelet

2023 · Chuck Spencer

The Night Agent

2023 · Henry

The Last of Us

2023 · Double

#Xmas

2022 · Jack Faison

A Godwink Christmas: Miracle of Love

2021 · John Fellman

There's Someone Inside Your House

2021 · Mr. Sandford

Resident Alien

2021 · Farmer

Upload

2020 · Reverend Peyfort

Rabbit

2018 · Leon (as Bill MacDonald)

Garage Sale Mysteries: Picture a Murder

2018 · Scott Brady

Summer of 84

2018 · Sheriff Caldwell

The Terror

2018 · George Nicol

Past Malice: An Emma Fielding Mystery

2018 · Sherman Arlington

The Good Doctor

2017 · Bob Cravens

Concrete Evidence: A Fixer Upper Mystery

2017 · Principal Darren Dean

Riverdale

2017 · Principal Featherhead, Warden Norton

Travelers

2016 · Gary Holden

Supergirl

2015 · Dr. Kaplan

The Flash

2014 · Gene Huskk

The Captive

2014 · Frank

Hemlock Grove

2013 · Jeargen Knauff

The Phantoms

2012 · Steve Boucher

Cold Blooded

2012 · Louis Holland

Run Rabbit Run

2012 · Baby Doll

Death Wish

2010 · Elvis

Haven

2010 · Boss Mechanic

Rookie Blue

2010 · Buson / Sheldon

Takedown

2010 · Stross Representative

Republic of Doyle

2010 · Logan Hicks

Desperate Escape

2009 · Detective Hanson

Stargate Universe

2009 · Virgil Biggs

The Listener

2009 · Matt Collins

Storm Seekers

2009 · Eli Harder

Northern Lights

2009 · Deputy Otto Gruber

Fragile

2009 · Doorman

Mail Order Bride

2008 · Sherrif

Trial by Fire

2008 · Trip Crandall

On the Other Hand, Death: A Donald Strachey Mystery

2008 · Jonas Baskin

Hybrid

2007

White Noise 2: The Light

2007 · Dr. Karras

To Have and to Hold

2006 · Det. Wilson

Mount Pleasant

2006 · Jack

Psych

2006 · Phil

Hollow Man II

2006 · Col. Gavin Bishop

Slither

2006 · Mr. Strutemyer

Final Days of Planet Earth

2006 · Cruikshank

Absolute Zero

2006 · Dempsy

Supernatural

2005 · Abraham Peterson, Sheriff

Personal Effects

2005 · Arthur Stowell

The Colt

2005 · Sgt. Woodruff

A Beachcombers Christmas

2004 · Earl Decker

Shelf Life

2004 · Martin

Stargate Atlantis

2004 · Captain Griffin

Tru Calling

2003 · Neighbour

Water's Edge

2003 · T. Wallace

The Snow Walker

2003 · Miner in Bar

Mayday

2003 · First Officer Dillard

Betraying Reason

2003 · Hoop

The Rhino Brothers

2002 · Sasha Kanachowski

The Dead Zone

2002 · Cathan Donnegal

Smallville

2001 · Masterson

The Spiral Staircase

2000 · Sheriff Bell

Call of the Wild

2000

Romeo Must Die

2000 · Officer

The Virginian

2000 · Scipio

Call of the Wild

2000 · The Swede

Dudley Do-Right

1999 · In the Back

Don't Look Down

1998 · Ben

The Vigil

1998 · George

Rupert's Land

1998 · Brad

Golf Punks

1998 · Phelps (as William Macdonald)

Goldrush: A Real Life Alaskan Adventure

1998 · Chloroformer

Blackheart

1998 · Boone

Contagious

1997 · Drug Worker

Barnone

1997 · Mike

Millennium

1996 · Agent Nolan

Gang in Blue

1996 · Groat

Poltergeist: The Legacy

1996 · Jones

The Sentinel

1996 · Dell

The Outer Limits

1995 · FBI Special Agent Grant, Gary Rosman, Mugger

Sliders

1995 · Medical Moonsuit

Viper

1994 · Harper

The X-Files

1993 · Dr. Oppenheim, Agent Kazanjian, Officer Trott, Federal Marshall, Deputy Buddy Riggs

Posing: Inspired by Three Real Stories

1991 · Evan Stafford

The Fourth War

1990 · MP Corporal

Quantum Leap

1989 · Conductor

MacGyver

1985 · Paramedic

William MacDonald · Virelixia