William MacDonald
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.
Filmography · 93
Supernatural
2005 · Abraham Peterson
Smallville
2001 · Masterson
The Flash
2014 · Gene Huskk
The Good Doctor
2017 · Bob Cravens
Psych
2006 · Phil
Tracker
2024 · Sheriff Gale
The X-Files
1993 · Dr. Oppenheim
Stargate Atlantis
2004 · Captain Griffin
I Will Find You
2026 · Danny Ramirez
Mayday
2003 · First Officer Dillard
Supergirl
2015 · Dr. Kaplan
Riverdale
2017 · Principal Featherhead
The Last of Us
2023 · Double
Quantum Leap
1989 · Conductor
The Night Agent
2023 · Henry
MacGyver
1985 · Paramedic
Resident Alien
2021 · Farmer
Sliders
1995 · Medical Moonsuit
Haven
2010 · Boss Mechanic
Travelers
2016 · Gary Holden
The Dead Zone
2002 · Cathan Donnegal
The Outer Limits
1995 · FBI Special Agent Gran...
Rookie Blue
2010 · Buson / Sheldon
Stargate Universe
2009 · Virgil Biggs
Millennium
1996 · Agent Nolan
The Listener
2009 · Matt Collins
The Terror
2018 · George Nicol
The Sentinel
1996 · Dell
Viper
1994 · Harper
Upload
2020 · Reverend Peyfort
Stick
2025 · Ron(uncredited)
Hemlock Grove
2013 · Jeargen Knauff
Republic of Doyle
2010 · Logan Hicks
Tru Calling
2003 · Neighbour
Slither
2006 · Mr. Strutemyer
Romeo Must Die
2000 · Officer
The Captive
2014 · Frank
Poltergeist: The Legacy
1996 · Jones
Summer of 84
2018 · Sheriff Caldwell
Hollow Man II
2006 · Col. Gavin Bishop
There's Someone Inside Your House
2021 · Mr. Sandford
The Couple Across the Street
2026 · Tom Sullivan
Mail Order Bride
2008 · Sherrif
White Noise 2: The Light
2007 · Dr. Karras
Dudley Do-Right
1999 · In the Back
Another Sweet Christmas
2025 · Declan 'Fitzy' Fitzger...
Northern Lights
2009 · Deputy Otto Gruber
The Snow Walker
2003 · Miner in Bar
Double Life
2023 · Glen Vukovich
Call of the Wild
2000
Cold Blooded
2012 · Louis Holland
Final Days of Planet Earth
2006 · Cruikshank
Past Malice: An Emma Fielding Mystery
2018 · Sherman Arlington
Takedown
2010 · Stross Representative
The Colt
2005 · Sgt. Woodruff
The Virginian
2000 · Scipio
Gang in Blue
1996 · Groat
On the Other Hand, Death: A Donald Strachey Mystery
2008 · Jonas Baskin
The Fourth War
1990 · MP Corporal
Hybrid
2007
Absolute Zero
2006 · Dempsy
A Beachcombers Christmas
2004 · Earl Decker
To Have and to Hold
2006 · Det. Wilson
Contagious
1997 · Drug Worker
Water's Edge
2003 · T. Wallace
Barnone
1997 · Mike
#Xmas
2022 · Jack Faison
Don't Look Down
1998 · Ben
Death Wish
2010 · Elvis
Blackheart
1998 · Boone
Desperate Escape
2009 · Detective Hanson
Concrete Evidence: A Fixer Upper Mystery
2017 · Principal Darren Dean
Home Sweet Christmas
2024 · Declan 'Fitzy' Fitzger...
Garage Sale Mysteries: Picture a Murder
2018 · Scott Brady
Posing: Inspired by Three Real Stories
1991 · Evan Stafford
The Blessing Bracelet
2023 · Chuck Spencer
Trial by Fire
2008 · Trip Crandall
Storm Seekers
2009 · Eli Harder
A Godwink Christmas: Miracle of Love
2021 · John Fellman
The Spiral Staircase
2000 · Sheriff Bell
Goldrush: A Real Life Alaskan Adventure
1998 · Chloroformer
The Phantoms
2012 · Steve Boucher
Mount Pleasant
2006 · Jack
Personal Effects
2005 · Arthur Stowell
Rupert's Land
1998 · Brad
Golf Punks
1998 · Phelps (as William Mac...
Call of the Wild
2000 · The Swede
The Vigil
1998 · George
Fragile
2009 · Doorman
Run Rabbit Run
2012 · Baby Doll
Betraying Reason
2003 · Hoop
The Rhino Brothers
2002 · Sasha Kanachowski
Shelf Life
2004 · Martin