William MacDonald
Acting
103
Acting Credits
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
Filmography
The Couple Across the Street
2026
as Tom Sullivan
I Will Find You
2026
as Danny Ramirez
Another Sweet Christmas
2025
as Declan 'Fitzy' Fitzgerald
Stick
2025
as Ron(uncredited)
Home Sweet Christmas
2024
as Declan 'Fitzy' Fitzgerald
Tracker
2024
as Sheriff Gale
The Blessing Bracelet
2023
as Chuck Spencer
Double Life
2023
as Glen Vukovich
The Night Agent
2023
as Henry
The Last of Us
2023
as Double
#Xmas
2022
as Jack Faison
#Xmas
2022
as Jack
A Godwink Christmas: Miracle of Love
2021
as John Fellman
There's Someone Inside Your House
2021
as Mr. Sandford
Resident Alien
2021
as Farmer
Upload
2020
as Reverend Peyfort
Garage Sale Mysteries: Picture a Murder
2018
as Scott Brady
Summer of 84
2018
as Sheriff Caldwell
Past Malice: An Emma Fielding Mystery
2018
as Sherman Arlington
Rabbit
2018
as Leon (as Bill MacDonald)
The Terror
2018
as George Nicol
Concrete Evidence: A Fixer Upper Mystery
2017
as Principal Darren Dean
Riverdale
2017
as Principal Featherhead
Riverdale
2017
as Warden Norton
The Good Doctor
2017
as Bob Cravens
Travelers
2016
as Gary Holden
Supergirl
2015
as Dr. Kaplan
The Captive
2014
as Frank
The Flash
2014
as Gene Huskk
Hemlock Grove
2013
as Jeargen Knauff
Cold Blooded
2012
as Louis Holland
Run Rabbit Run
2012
as Baby Doll
The Phantoms
2012
as Steve Boucher
Takedown
2010
as Stross Representative
Death Wish
2010
as Elvis
Haven
2010
as Boss Mechanic
Republic of Doyle
2010
as Logan Hicks
Rookie Blue
2010
as Buson / Sheldon
Northern Lights
2009
as Deputy Otto Gruber
Storm Seekers
2009
as Eli Harder
Fragile
2009
as Doorman
Desperate Escape
2009
as Detective Hanson
Stargate Universe
2009
as Virgil Biggs
The Listener
2009
as Matt Collins
Trial by Fire
2008
as Trip Crandall
Mail Order Bride
2008
as Sherrif
On the Other Hand, Death: A Donald Strachey Mystery
2008
as Jonas Baskin
White Noise 2: The Light
2007
as Dr. Karras
Hybrid
2007
Hollow Man II
2006
as Col. Gavin Bishop
Mount Pleasant
2006
as Jack
Absolute Zero
2006
as Dempsy
To Have and to Hold
2006
as Det. Wilson
Final Days of Planet Earth
2006
as Cruikshank
Slither
2006
as Mr. Strutemyer
Psych
2006
as Phil
Personal Effects
2005
as Arthur Stowell
The Colt
2005
as Sgt. Woodruff
Supernatural
2005
as Abraham Peterson
Supernatural
2005
as Sheriff
A Beachcombers Christmas
2004
as Earl Decker
Shelf Life
2004
as Martin
Stargate Atlantis
2004
as Captain Griffin
Betraying Reason
2003
as Hoop
The Snow Walker
2003
as Miner in Bar
Water's Edge
2003
as T. Wallace
Tru Calling
2003
as Neighbour
Mayday
2003
as First Officer Dillard
The Rhino Brothers
2002
as Sasha Kanachowski
The Dead Zone
2002
as Cathan Donnegal
Smallville
2001
as Masterson
Call of the Wild
2000
as The Swede
The Spiral Staircase
2000
as Sheriff Bell
The Virginian
2000
as Scipio
Romeo Must Die
2000
as Officer
Call of the Wild
2000
Dudley Do-Right
1999
as In the Back
Golf Punks
1998
as Phelps (as William Macdonald)
The Vigil
1998
as George
Don't Look Down
1998
as Ben
Rupert's Land
1998
as Brad
Goldrush: A Real Life Alaskan Adventure
1998
as Chloroformer
Blackheart
1998
as Boone
Contagious
1997
as Drug Worker
Barnone
1997
as Mike
Gang in Blue
1996
as Groat
Millennium
1996
as Agent Nolan
Poltergeist: The Legacy
1996
as Jones
The Sentinel
1996
as Dell
The Outer Limits
1995
as FBI Special Agent Grant
The Outer Limits
1995
as Gary Rosman
The Outer Limits
1995
as Mugger
Sliders
1995
as Medical Moonsuit
Viper
1994
as Harper
The X-Files
1993
as Dr. Oppenheim
The X-Files
1993
as Agent Kazanjian
The X-Files
1993
as Officer Trott
The X-Files
1993
as Federal Marshall
The X-Files
1993
as Deputy Buddy Riggs
Posing: Inspired by Three Real Stories
1991
as Evan Stafford
The Fourth War
1990
as MP Corporal
Quantum Leap
1989
as Conductor
MacGyver
1985
as Paramedic