Acting
William MacDonald
95 credits
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
Acting 95
- 2026I Will Find YouSeriesDanny Ramirez
- 2026The Couple Across the StreetFilmTom Sullivan
- 2025StickSeriesRon(uncredited)
- 2025Another Sweet ChristmasFilmDeclan 'Fitzy' Fitzgerald
- 2024TrackerSeriesSheriff Gale
- 2024Home Sweet ChristmasFilmDeclan 'Fitzy' Fitzgerald
- 2023The Night AgentSeriesHenry
- 2023The Last of UsSeriesDouble
- 2023Double LifeFilmGlen Vukovich
- 2023The Blessing BraceletFilmChuck Spencer
- 2022#XmasFilmJack, Jack Faison
- 2021Resident AlienSeriesFarmer
- 2021There's Someone Inside Your HouseFilmMr. Sandford
- 2021A Godwink Christmas: Miracle of LoveFilmJohn Fellman
- 2020UploadSeriesReverend Peyfort
- 2018The TerrorSeriesGeorge Nicol
- 2018Summer of 84FilmSheriff Caldwell
- 2018Past Malice: An Emma Fielding MysteryFilmSherman Arlington
- 2018Garage Sale Mysteries: Picture a MurderFilmScott Brady
- 2018RabbitFilmLeon (as Bill MacDonald)
- 2017The Good DoctorSeriesBob Cravens
- 2017RiverdaleSeriesPrincipal Featherhead, Warden Norton
- 2017Concrete Evidence: A Fixer Upper MysteryFilmPrincipal Darren Dean
- 2016TravelersSeriesGary Holden
- 2015SupergirlSeriesDr. Kaplan
- 2014The FlashSeriesGene Huskk
- 2014The CaptiveFilmFrank
- 2013Hemlock GroveSeriesJeargen Knauff
- 2012Cold BloodedFilmLouis Holland
- 2012Run Rabbit RunFilmBaby Doll
- 2012The PhantomsFilmSteve Boucher
- 2010HavenSeriesBoss Mechanic
- 2010Rookie BlueSeriesBuson / Sheldon
- 2010Republic of DoyleSeriesLogan Hicks
- 2010TakedownFilmStross Representative
- 2010Death WishFilmElvis
- 2009Stargate UniverseSeriesVirgil Biggs
- 2009The ListenerSeriesMatt Collins
- 2009Northern LightsFilmDeputy Otto Gruber
- 2009Storm SeekersFilmEli Harder
- 2009Desperate EscapeFilmDetective Hanson
- 2009FragileFilmDoorman
- 2008On the Other Hand, Death: A Donald Strachey MysteryFilmJonas Baskin
- 2008Trial by FireFilmTrip Crandall
- 2008Mail Order BrideFilmSherrif
- 2007White Noise 2: The LightFilmDr. Karras
- 2007Alien AgentFilmSheriff Devlin
- 2007HybridFilm
- 2006PsychSeriesPhil
- 2006SlitherFilmMr. Strutemyer
- 2006Hollow Man IIFilmCol. Gavin Bishop
- 2006Absolute ZeroFilmDempsy
- 2006Final Days of Planet EarthFilmCruikshank
- 2006To Have and to HoldFilmDet. Wilson
- 2006Mount PleasantFilmJack
- 2005SupernaturalSeriesAbraham Peterson, Sheriff
- 2005The ColtFilmSgt. Woodruff
- 2005Personal EffectsFilmArthur Stowell
- 2004Stargate AtlantisSeriesCaptain Griffin
- 2004Shelf LifeFilmMartin
- 2004A Beachcombers ChristmasFilmEarl Decker
- 2003MaydaySeriesFirst Officer Dillard
- 2003Tru CallingSeriesNeighbour
- 2003The Snow WalkerFilmMiner in Bar
- 2003Water's EdgeFilmT. Wallace
- 2003Betraying ReasonFilmHoop
- 2002The Dead ZoneSeriesCathan Donnegal
- 2002The Rhino BrothersFilmSasha Kanachowski
- 2001SmallvilleSeriesMasterson
- 2000Romeo Must DieFilmOfficer
- 2000Call of the WildSeries
- 2000The VirginianFilmScipio
- 2000The Spiral StaircaseFilmSheriff Bell
- 2000Call of the WildFilmThe Swede
- 1999Dudley Do-RightFilmIn the Back
- 1998Don't Look DownFilmBen
- 1998Goldrush: A Real Life Alaskan AdventureFilmChloroformer
- 1998Golf PunksFilmPhelps (as William Macdonald)
- 1998BlackheartFilmBoone
- 1998Rupert's LandFilmBrad
- 1998The VigilFilmGeorge
- 1997ContagiousFilmDrug Worker
- 1997BarnoneFilmMike
- 1996MillenniumSeriesAgent Nolan
- 1996The SentinelSeriesDell
- 1996Poltergeist: The LegacySeriesJones
- 1996Gang in BlueFilmGroat
- 1995The Outer LimitsSeriesFBI Special Agent Grant, Gary Rosman, Mugger
- 1995SlidersSeriesMedical Moonsuit
- 1994ViperSeriesHarper
- 1993The X-FilesSeriesAgent Kazanjian, Deputy Buddy Riggs, Dr. Oppenheim, Federal Marshall, Officer Trott
- 1991Posing: Inspired by Three Real StoriesFilmEvan Stafford
- 1990The Fourth WarFilmMP Corporal
- 1989Quantum LeapSeriesConductor
- 1985MacGyverSeriesParamedic
Filmography from TMDB.