William MacDonald

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

Supernatural

Supernatural

I Will Find You

Smallville

The Flash

The Good Doctor

The X-Files

The X-Files

All Movies (59)

• The Couple Across the Street2026 · as Tom Sullivan
• Another Sweet Christmas2025 · as Declan 'Fitzy' Fitzgerald
• Home Sweet Christmas2024 · as Declan 'Fitzy' Fitzgerald
• Double Life2023 · as Glen Vukovich
• The Blessing Bracelet2023 · as Chuck Spencer
• #Xmas2022 · as Jack Faison
• #Xmas2022 · as Jack
• A Godwink Christmas: Miracle of Love2021 · as John Fellman
• There's Someone Inside Your House2021 · as Mr. Sandford
• Rabbit2018 · as Leon (as Bill MacDonald)
• Garage Sale Mysteries: Picture a Murder2018 · as Scott Brady
• Summer of 842018 · as Sheriff Caldwell
• Past Malice: An Emma Fielding Mystery2018 · as Sherman Arlington
• Concrete Evidence: A Fixer Upper Mystery2017 · as Principal Darren Dean
• The Captive2014 · as Frank
• The Phantoms2012 · as Steve Boucher
• Cold Blooded2012 · as Louis Holland
• Run Rabbit Run2012 · as Baby Doll
• Death Wish2010 · as Elvis
• Takedown2010 · as Stross Representative
• Desperate Escape2009 · as Detective Hanson
• Storm Seekers2009 · as Eli Harder
• Northern Lights2009 · as Deputy Otto Gruber
• Fragile2009 · as Doorman
• Mail Order Bride2008 · as Sherrif
• Trial by Fire2008 · as Trip Crandall
• On the Other Hand, Death: A Donald Strachey Mystery2008 · as Jonas Baskin
• Hybrid2007
• White Noise 2: The Light2007 · as Dr. Karras
• To Have and to Hold2006 · as Det. Wilson
• Mount Pleasant2006 · as Jack
• Hollow Man II2006 · as Col. Gavin Bishop
• Slither2006 · as Mr. Strutemyer
• Final Days of Planet Earth2006 · as Cruikshank
• Absolute Zero2006 · as Dempsy
• Personal Effects2005 · as Arthur Stowell
• The Colt2005 · as Sgt. Woodruff
• A Beachcombers Christmas2004 · as Earl Decker
• Shelf Life2004 · as Martin
• Water's Edge2003 · as T. Wallace
• The Snow Walker2003 · as Miner in Bar
• Betraying Reason2003 · as Hoop
• The Rhino Brothers2002 · as Sasha Kanachowski
• The Spiral Staircase2000 · as Sheriff Bell
• Romeo Must Die2000 · as Officer
• The Virginian2000 · as Scipio
• Call of the Wild2000 · as The Swede
• Dudley Do-Right1999 · as In the Back
• Don't Look Down1998 · as Ben
• The Vigil1998 · as George
• Rupert's Land1998 · as Brad
• Golf Punks1998 · as Phelps (as William Macdonald)
• Goldrush: A Real Life Alaskan Adventure1998 · as Chloroformer
• Blackheart1998 · as Boone
• Contagious1997 · as Drug Worker
• Barnone1997 · as Mike
• Gang in Blue1996 · as Groat
• Posing: Inspired by Three Real Stories1991 · as Evan Stafford
• The Fourth War1990 · as MP Corporal

All TV Shows (44)

• I Will Find You2026 · as Danny Ramirez
• Stick2025 · as Ron(uncredited)
• Tracker2024 · as Sheriff Gale
• The Night Agent2023 · as Henry
• The Last of Us2023 · as Double
• Resident Alien2021 · as Farmer
• Upload2020 · as Reverend Peyfort
• The Terror2018 · as George Nicol
• The Good Doctor2017 · as Bob Cravens
• Riverdale2017 · as Principal Featherhead
• Riverdale2017 · as Warden Norton
• Travelers2016 · as Gary Holden
• Supergirl2015 · as Dr. Kaplan
• The Flash2014 · as Gene Huskk
• Hemlock Grove2013 · as Jeargen Knauff
• Haven2010 · as Boss Mechanic
• Rookie Blue2010 · as Buson / Sheldon
• Republic of Doyle2010 · as Logan Hicks
• Stargate Universe2009 · as Virgil Biggs
• The Listener2009 · as Matt Collins
• Psych2006 · as Phil
• Supernatural2005 · as Abraham Peterson
• Supernatural2005 · as Sheriff
• Stargate Atlantis2004 · as Captain Griffin
• Tru Calling2003 · as Neighbour
• Mayday2003 · as First Officer Dillard
• The Dead Zone2002 · as Cathan Donnegal
• Smallville2001 · as Masterson
• Call of the Wild2000
• Millennium1996 · as Agent Nolan
• Poltergeist: The Legacy1996 · as Jones
• The Sentinel1996 · as Dell
• The Outer Limits1995 · as FBI Special Agent Grant
• The Outer Limits1995 · as Gary Rosman
• The Outer Limits1995 · as Mugger
• Sliders1995 · as Medical Moonsuit
• Viper1994 · as Harper
• The X-Files1993 · as Dr. Oppenheim
• The X-Files1993 · as Agent Kazanjian
• The X-Files1993 · as Officer Trott
• The X-Files1993 · as Federal Marshall
• The X-Files1993 · as Deputy Buddy Riggs
• Quantum Leap1989 · as Conductor
• MacGyver1985 · as Paramedic