Acting
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.
TVI Will Find You
2026
as Danny Ramirez
MovieThe Couple Across the Street
2026
as Tom Sullivan
MovieAnother Sweet Christmas
2025
as Declan 'Fitzy' Fitzgerald
TVStick
2025
as Ron(uncredited)
MovieHome Sweet Christmas
2024
as Declan 'Fitzy' Fitzgerald
TVTracker
2024
as Sheriff Gale
MovieDouble Life
2023
as Glen Vukovich
MovieThe Blessing Bracelet
2023
as Chuck Spencer
TVThe Night Agent
2023
as Henry
TVThe Last of Us
2023
as Double
Movie#Xmas
2022
as Jack Faison
MovieA Godwink Christmas: Miracle of Love
2021
as John Fellman
MovieThere's Someone Inside Your House
2021
as Mr. Sandford
TVResident Alien
2021
as Farmer
TVUpload
2020
as Reverend Peyfort
Rabbit
2018
as Leon (as Bill MacDonald)
MovieGarage Sale Mysteries: Picture a Murder
2018
as Scott Brady
MovieSummer of 84
2018
as Sheriff Caldwell
TVThe Terror
2018
as George Nicol
MoviePast Malice: An Emma Fielding Mystery
2018
as Sherman Arlington
TVThe Good Doctor
2017
as Bob Cravens
MovieConcrete Evidence: A Fixer Upper Mystery
2017
as Principal Darren Dean
TVRiverdale
2017
as Principal Featherhead
TVTravelers
2016
as Gary Holden
TVSupergirl
2015
as Dr. Kaplan
TVThe Flash
2014
as Gene Huskk
MovieThe Captive
2014
as Frank
TVHemlock Grove
2013
as Jeargen Knauff
MovieThe Phantoms
2012
as Steve Boucher
MovieCold Blooded
2012
as Louis Holland
MovieRun Rabbit Run
2012
as Baby Doll
MovieDeath Wish
2010
as Elvis
TVHaven
2010
as Boss Mechanic
TVRookie Blue
2010
as Buson / Sheldon
MovieTakedown
2010
as Stross Representative
TVRepublic of Doyle
2010
as Logan Hicks
MovieDesperate Escape
2009
as Detective Hanson
TVStargate Universe
2009
as Virgil Biggs
TVThe Listener
2009
as Matt Collins
MovieStorm Seekers
2009
as Eli Harder
MovieNorthern Lights
2009
as Deputy Otto Gruber
MovieFragile
2009
as Doorman
MovieMail Order Bride
2008
as Sherrif
MovieTrial by Fire
2008
as Trip Crandall
MovieOn the Other Hand, Death: A Donald Strachey Mystery
2008
as Jonas Baskin
MovieHybrid
2007
MovieWhite Noise 2: The Light
2007
as Dr. Karras
MovieTo Have and to Hold
2006
as Det. Wilson
MovieMount Pleasant
2006
as Jack
TVPsych
2006
as Phil
MovieHollow Man II
2006
as Col. Gavin Bishop
MovieSlither
2006
as Mr. Strutemyer
MovieFinal Days of Planet Earth
2006
as Cruikshank
MovieAbsolute Zero
2006
as Dempsy
TVSupernatural
2005
as Abraham Peterson
MoviePersonal Effects
2005
as Arthur Stowell
MovieThe Colt
2005
as Sgt. Woodruff
MovieA Beachcombers Christmas
2004
as Earl Decker
MovieShelf Life
2004
as Martin
TVStargate Atlantis
2004
as Captain Griffin
TVTru Calling
2003
as Neighbour
MovieWater's Edge
2003
as T. Wallace
MovieThe Snow Walker
2003
as Miner in Bar
TVMayday
2003
as First Officer Dillard
MovieBetraying Reason
2003
as Hoop
MovieThe Rhino Brothers
2002
as Sasha Kanachowski
TVThe Dead Zone
2002
as Cathan Donnegal
TVSmallville
2001
as Masterson
MovieThe Spiral Staircase
2000
as Sheriff Bell
TVCall of the Wild
2000
MovieRomeo Must Die
2000
as Officer
MovieThe Virginian
2000
as Scipio
MovieCall of the Wild
2000
as The Swede
MovieDudley Do-Right
1999
as In the Back
MovieDon't Look Down
1998
as Ben
MovieThe Vigil
1998
as George
MovieRupert's Land
1998
as Brad
MovieGolf Punks
1998
as Phelps (as William Macdonald)
MovieGoldrush: A Real Life Alaskan Adventure
1998
as Chloroformer
MovieBlackheart
1998
as Boone
MovieContagious
1997
as Drug Worker
MovieBarnone
1997
as Mike
TVMillennium
1996
as Agent Nolan
MovieGang in Blue
1996
as Groat
TVPoltergeist: The Legacy
1996
as Jones
TVThe Sentinel
1996
as Dell
TVThe Outer Limits
1995
as FBI Special Agent Grant
TVSliders
1995
as Medical Moonsuit
TVViper
1994
as Harper
TVThe X-Files
1993
as Dr. Oppenheim
MoviePosing: Inspired by Three Real Stories
1991
as Evan Stafford
MovieThe Fourth War
1990
as MP Corporal
TVQuantum Leap
1989
as Conductor
TVMacGyver
1985
as Paramedic
