William MacDonald
29 Movies
34 Series
William MacDonald is an actor active since the 1990s. Principal Featherhead in Riverdale remains one of their most memorable roles. Other notable titles in their filmography include Slither and Summer of 84. They have 29 films and 34 TV productions to their name, working mainly across genres like horror, drama, thriller.
—Age
29Movies
34Series
William MacDonald
29 Movies
34 Series
William MacDonald is an actor active since the 1990s. Principal Featherhead in Riverdale remains one of their most memorable roles. Other notable titles in their filmography include Slither and Summer of 84. They have 29 films and 34 TV productions to their name, working mainly across genres like horror, drama, thriller.
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Age
29
Movies
34
Series
Movies
Slither
2006
Romeo Must Die
2000
The Captive
2014
Hollow Man II
2006
Summer of 84
2018
Cold Blooded
2012
Dudley Do-Right
1999
White Noise 2: The Light
2007
The Snow Walker
2003
There's Someone Inside Your House
2021
The Fourth War
1990
Takedown
2010
Final Days of Planet Earth
2006
Double Life
2023
On the Other Hand, Death: A Donald Strachey Mystery
2008
Shelf Life
2004
Run Rabbit Run
2012
Blackheart
1998
The Rhino Brothers
2002
Golf Punks
1998
Mount Pleasant
2006
TV Shows
Riverdale
2017
Travelers
2016
The Terror
2018
The Flash
2014
The Good Doctor
2017
The X-Files
1993
Millennium
1996
Supergirl
2015
The Night Agent
2023
Tru Calling
2003
Quantum Leap
1989
Viper
1994
The Outer Limits
1995
Supernatural
2005
Haven
2010
Sliders
1995
Resident Alien
2021
Hemlock Grove
2013
Tracker
2024
Poltergeist: The Legacy
1996
Republic of Doyle
2010
Psych
2006
Stargate Universe
2009
Stargate Atlantis
2004
MacGyver
1985
Rookie Blue
2010
Smallville
2001
The Sentinel
1996
The Listener
2009
Upload
2020
Latest Trailers
Watch Trailer
Another Sweet Christmas
Full Filmography
I Will Find You
Danny Ramirez
2026
TV
Stick
Ron(uncredited)
2025
TV
Tracker
Sheriff Gale
2024
TV
Double Life
Glen Vukovich
2023
Film
The Night Agent
Henry
2023
TV
The Last of Us
Double
2025
TV
There's Someone Inside Your House
Mr. Sandford
2021
Film
Resident Alien
Farmer
2022
TV
Upload
Reverend Peyfort
2020
TV
Photos
Frequently Asked Questions
What are the most famous roles of William MacDonald?
William MacDonald is best known for roles in Slither, Summer of 84, Romeo Must Die.
How many movies has William MacDonald been in?
Over a 36-year career (since 1990), William MacDonald has appeared in 58 movies and 36 TV shows.
What was William MacDonald's first movie?
The career of William MacDonald began with The Fourth War (1990).
What is William MacDonald's most recent movie or series?
William MacDonald's most recent release is I Will Find You, which premiered on June 18, 2026.
What TV shows has William MacDonald appeared in?
On television, William MacDonald has appeared in Riverdale, The Good Doctor, The Flash, Supernatural.
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.