Acting
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.
Titles
Supernatural
2005
Smallville
2001
The Flash
2014
The X-Files
1993
The Good Doctor
2017
Mayday
2003
Psych
2006
MacGyver
1985
Tracker
2024
Riverdale
2017
Quantum Leap
1989
Stargate Atlantis
2004
Supergirl
2015
The Last of Us
2023
The Night Agent
2023
Sliders
1995
The Outer Limits
1995
The Dead Zone
2002
Haven
2010
Rookie Blue
2010
Resident Alien
2021
Millennium
1996
The Listener
2009
The Sentinel
1996
Travelers
2016
I Will Find You
2026
Viper
1994
Republic of Doyle
2010
Stargate Universe
2009
Upload
2020
Stick
2025
Hemlock Grove
2013
Tru Calling
2003
The Terror
2018
Romeo Must Die
2000
Poltergeist: The Legacy
1996