Acting
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.
Credits · 93
I Will Find You
2026 · Danny Ramirez
FilmThe Couple Across the Street
2026 · Tom Sullivan
FilmAnother Sweet Christmas
2025 · Declan 'Fitzy' Fitzgerald
Stick
2025 · Ron(uncredited)
FilmHome Sweet Christmas
2024 · Declan 'Fitzy' Fitzgerald
Tracker
2024 · Sheriff Gale
FilmDouble Life
2023 · Glen Vukovich
FilmThe Blessing Bracelet
2023 · Chuck Spencer
The Night Agent
2023 · Henry
The Last of Us
2023 · Double
Film#Xmas
2022 · Jack Faison
FilmA Godwink Christmas: Miracle of Love
2021 · John Fellman
FilmThere's Someone Inside Your House
2021 · Mr. Sandford
Resident Alien
2021 · Farmer
Upload
2020 · Reverend Peyfort
Rabbit
FilmRabbit
2018 · Leon (as Bill MacDonald)
FilmGarage Sale Mysteries: Picture a Murder
2018 · Scott Brady
FilmSummer of 84
2018 · Sheriff Caldwell
The Terror
2018 · George Nicol
FilmPast Malice: An Emma Fielding Mystery
2018 · Sherman Arlington
The Good Doctor
2017 · Bob Cravens
FilmConcrete Evidence: A Fixer Upper Mystery
2017 · Principal Darren Dean
Riverdale
2017 · Principal Featherhead
Travelers
2016 · Gary Holden
Supergirl
2015 · Dr. Kaplan
The Flash
2014 · Gene Huskk
FilmThe Captive
2014 · Frank
Hemlock Grove
2013 · Jeargen Knauff
FilmThe Phantoms
2012 · Steve Boucher
FilmCold Blooded
2012 · Louis Holland
FilmRun Rabbit Run
2012 · Baby Doll
FilmDeath Wish
2010 · Elvis
Haven
2010 · Boss Mechanic
Rookie Blue
2010 · Buson / Sheldon
FilmTakedown
2010 · Stross Representative
Republic of Doyle
2010 · Logan Hicks
FilmDesperate Escape
2009 · Detective Hanson
Stargate Universe
2009 · Virgil Biggs
The Listener
2009 · Matt Collins
FilmStorm Seekers
2009 · Eli Harder
FilmNorthern Lights
2009 · Deputy Otto Gruber
FilmMail Order Bride
2008 · Sherrif
FilmTrial by Fire
2008 · Trip Crandall
FilmOn the Other Hand, Death: A Donald Strachey Mystery
2008 · Jonas Baskin
FilmHybrid
2007
FilmWhite Noise 2: The Light
2007 · Dr. Karras
FilmTo Have and to Hold
2006 · Det. Wilson
FilmMount Pleasant
2006 · Jack
Psych
2006 · Phil
FilmHollow Man II
2006 · Col. Gavin Bishop
FilmSlither
2006 · Mr. Strutemyer
FilmFinal Days of Planet Earth
2006 · Cruikshank
FilmAbsolute Zero
2006 · Dempsy
Supernatural
2005 · Abraham Peterson
FilmPersonal Effects
2005 · Arthur Stowell
FilmThe Colt
2005 · Sgt. Woodruff
FilmA Beachcombers Christmas
2004 · Earl Decker
FilmShelf Life
2004 · Martin
Stargate Atlantis
2004 · Captain Griffin
Tru Calling
2003 · Neighbour
FilmWater's Edge
2003 · T. Wallace
FilmThe Snow Walker
2003 · Miner in Bar
Mayday
2003 · First Officer Dillard
FilmBetraying Reason
2003 · Hoop
FilmThe Rhino Brothers
2002 · Sasha Kanachowski
The Dead Zone
2002 · Cathan Donnegal
Smallville
2001 · Masterson
FilmThe Spiral Staircase
2000 · Sheriff Bell
Call of the Wild
2000
FilmRomeo Must Die
2000 · Officer
FilmThe Virginian
2000 · Scipio
FilmCall of the Wild
2000 · The Swede
FilmDudley Do-Right
1999 · In the Back
FilmDon't Look Down
1998 · Ben
FilmThe Vigil
1998 · George
FilmRupert's Land
1998 · Brad
FilmGolf Punks
1998 · Phelps (as William Macdonald)
FilmGoldrush: A Real Life Alaskan Adventure
1998 · Chloroformer
FilmBlackheart
1998 · Boone
FilmContagious
1997 · Drug Worker
FilmBarnone
1997 · Mike
Millennium
1996 · Agent Nolan
FilmGang in Blue
1996 · Groat
Poltergeist: The Legacy
1996 · Jones
The Sentinel
1996 · Dell
The Outer Limits
1995 · FBI Special Agent Grant
Sliders
1995 · Medical Moonsuit
Viper
1994 · Harper
The X-Files
1993 · Dr. Oppenheim
FilmPosing: Inspired by Three Real Stories
1991 · Evan Stafford
FilmThe Fourth War
1990 · MP Corporal
Quantum Leap
1989 · Conductor
MacGyver
1985 · Paramedic