William MacDonald
View on IMDb ↗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
Another Sweet Christmas
Barnone
Rupert's Land
The Good Doctor
The Last of Us
Riverdale
The X-Files
Supernatural
I Will Find You
MaydayFilmography (94)
- 2026
I Will Find YouDanny Ramirez - 2026
The Couple Across the StreetTom Sullivan - 2025
Another Sweet ChristmasDeclan 'Fitzy' Fitzgerald - 2025
StickRon(uncredited) - 2024
TrackerSheriff Gale - 2024
Home Sweet ChristmasDeclan 'Fitzy' Fitzgerald - 2023
The Last of UsDouble - 2023
The Night AgentHenry - 2023
The Blessing BraceletChuck Spencer - 2023
Double LifeGlen Vukovich - 2022
#XmasJack Faison - 2021
Resident AlienFarmer - 2021
A Godwink Christmas: Miracle of LoveJohn Fellman - 2021
There's Someone Inside Your HouseMr. Sandford - 2020
UploadReverend Peyfort - 2018RabbitLeon (as Bill MacDonald)
- 2018
The TerrorGeorge Nicol - 2018
Summer of 84Sheriff Caldwell - 2018
Past Malice: An Emma Fielding MysterySherman Arlington - 2018
Garage Sale Mysteries: Picture a MurderScott Brady - 2017
The Good DoctorBob Cravens - 2017
RiverdalePrincipal Featherhead - 2017
Concrete Evidence: A Fixer Upper MysteryPrincipal Darren Dean - 2016
TravelersGary Holden - 2015
SupergirlDr. Kaplan - 2014
The FlashGene Huskk - 2014
The CaptiveFrank - 2013
Hemlock GroveJeargen Knauff - 2012
The PhantomsSteve Boucher - 2012
Cold BloodedLouis Holland - 2012
Run Rabbit RunBaby Doll - 2010
Rookie BlueBuson / Sheldon - 2010
HavenBoss Mechanic - 2010
Republic of DoyleLogan Hicks - 2010
Death WishElvis - 2010
TakedownStross Representative - 2009
Stargate UniverseVirgil Biggs - 2009
The ListenerMatt Collins - 2009
Northern LightsDeputy Otto Gruber - 2009
Storm SeekersEli Harder - 2009
Desperate EscapeDetective Hanson - 2009
FragileDoorman - 2008
Mail Order BrideSherrif - 2008
Trial by FireTrip Crandall - 2008
On the Other Hand, Death: A Donald Strachey MysteryJonas Baskin - 2007
White Noise 2: The LightDr. Karras - 2007
Hybrid - 2006
PsychPhil - 2006
Mount PleasantJack - 2006
SlitherMr. Strutemyer - 2006
Absolute ZeroDempsy - 2006
Hollow Man IICol. Gavin Bishop - 2006
Final Days of Planet EarthCruikshank - 2006
To Have and to HoldDet. Wilson - 2005
SupernaturalAbraham Peterson - 2005
Personal EffectsArthur Stowell - 2005
The ColtSgt. Woodruff - 2004
Stargate AtlantisCaptain Griffin - 2004
A Beachcombers ChristmasEarl Decker - 2004
Shelf LifeMartin - 2003
MaydayFirst Officer Dillard - 2003
Betraying ReasonHoop - 2003
Tru CallingNeighbour - 2003
The Snow WalkerMiner in Bar - 2003
Water's EdgeT. Wallace - 2002
The Dead ZoneCathan Donnegal - 2002
The Rhino BrothersSasha Kanachowski - 2001
SmallvilleMasterson - 2000
Call of the WildThe Swede - 2000
Call of the Wild - 2000
Romeo Must DieOfficer - 2000
The VirginianScipio - 2000
The Spiral StaircaseSheriff Bell - 1999
Dudley Do-RightIn the Back - 1998
Rupert's LandBrad - 1998
The VigilGeorge - 1998
Goldrush: A Real Life Alaskan AdventureChloroformer - 1998
Don't Look DownBen - 1998
BlackheartBoone - 1998
Golf PunksPhelps (as William Macdonald) - 1997
BarnoneMike - 1997
ContagiousDrug Worker - 1996
MillenniumAgent Nolan - 1996
The SentinelDell - 1996
Poltergeist: The LegacyJones - 1996
Gang in BlueGroat - 1995
The Outer LimitsFBI Special Agent Grant - 1995
SlidersMedical Moonsuit - 1994
ViperHarper - 1993
The X-FilesDr. Oppenheim - 1991
Posing: Inspired by Three Real StoriesEvan Stafford - 1990
The Fourth WarMP Corporal - 1989
Quantum LeapConductor - 1985
MacGyverParamedic