William MacDonald
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.
Known for
Acting94
tvI Will Find You
2026
Danny Ramirez
movieThe Couple Across the Street
2026
Tom Sullivan
movieAnother Sweet Christmas
2025
Declan 'Fitzy' Fitzgerald
tvStick
2025
Ron(uncredited)
movieHome Sweet Christmas
2024
Declan 'Fitzy' Fitzgerald
tvTracker
2024
Sheriff Gale
movieDouble Life
2023
Glen Vukovich
movieThe Blessing Bracelet
2023
Chuck Spencer
tvThe Last of Us
2023
Double
movie#Xmas
2022
Jack Faison / Jack
movieA Godwink Christmas: Miracle of Love
2021
John Fellman
movieThere's Someone Inside Your House
2021
Mr. Sandford
tvResident Alien
2021
Farmer
tvUpload
2020
Reverend Peyfort
Rabbit
2018
Leon (as Bill MacDonald)
movieSummer of 84
2018
Sheriff Caldwell
tvThe Terror
2018
George Nicol
moviePast Malice: An Emma Fielding Mystery
2018
Sherman Arlington
tvThe Good Doctor
2017
Bob Cravens
movieConcrete Evidence: A Fixer Upper Mystery
2017
Principal Darren Dean
tvRiverdale
2017
Principal Featherhead / Warden Norton
tvTravelers
2016
Gary Holden
tvSupergirl
2015
Dr. Kaplan
tvThe Flash
2014
Gene Huskk
movieThe Captive
2014
Frank
tvHemlock Grove
2013
Jeargen Knauff
movieThe Phantoms
2012
Steve Boucher
movieCold Blooded
2012
Louis Holland
movieRun Rabbit Run
2012
Baby Doll
movieDeath Wish
2010
Elvis
tvHaven
2010
Boss Mechanic
tvRookie Blue
2010
Buson / Sheldon
movieTakedown
2010
Stross Representative
tvRepublic of Doyle
2010
Logan Hicks
movieDesperate Escape
2009
Detective Hanson
tvStargate Universe
2009
Virgil Biggs
tvThe Listener
2009
Matt Collins
movieStorm Seekers
2009
Eli Harder
movieNorthern Lights
2009
Deputy Otto Gruber
movieFragile
2009
Doorman
movieMail Order Bride
2008
Sherrif
movieTrial by Fire
2008
Trip Crandall
movieWhite Noise 2: The Light
2007
Dr. Karras
movieTo Have and to Hold
2006
Det. Wilson
tvPsych
2006
Phil
movieHollow Man II
2006
Col. Gavin Bishop
movieSlither
2006
Mr. Strutemyer
movieFinal Days of Planet Earth
2006
Cruikshank
movieAbsolute Zero
2006
Dempsy
tvSupernatural
2005
Abraham Peterson / Sheriff
moviePersonal Effects
2005
Arthur Stowell
movieThe Colt
2005
Sgt. Woodruff
movieA Beachcombers Christmas
2004
Earl Decker
movieShelf Life
2004
Martin
tvStargate Atlantis
2004
Captain Griffin
tvTru Calling
2003
Neighbour
movieWater's Edge
2003
T. Wallace
movieThe Snow Walker
2003
Miner in Bar
tvMayday
2003
First Officer Dillard
movieThe Rhino Brothers
2002
Sasha Kanachowski
tvThe Dead Zone
2002
Cathan Donnegal
tvSmallville
2001
Masterson
movieThe Spiral Staircase
2000
Sheriff Bell
movieRomeo Must Die
2000
Officer
movieThe Virginian
2000
Scipio
movieCall of the Wild
2000
The Swede
movieDudley Do-Right
1999
In the Back
movieThe Vigil
1998
George
movieGolf Punks
1998
Phelps (as William Macdonald)
movieGoldrush: A Real Life Alaskan Adventure
1998
Chloroformer
movieBlackheart
1998
Boone
movieContagious
1997
Drug Worker
movieBarnone
1997
Mike
tvMillennium
1996
Agent Nolan
tvThe Outer Limits
1995
FBI Special Agent Grant / Gary Rosman / Mugger
tvSliders
1995
Medical Moonsuit
tvViper
1994
Harper
tvThe X-Files
1993
Dr. Oppenheim / Agent Kazanjian / Officer Trott / Federal Marshall / Deputy Buddy Riggs
moviePosing: Inspired by Three Real Stories
1991
Evan Stafford
movieThe Fourth War
1990
MP Corporal
tvQuantum Leap
1989
Conductor
tvMacGyver
1985
Paramedic