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