William MacDonald
Known for 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.
Known for
Slither
2006 · as Mr. Strutemyer
Romeo Must Die
2000 · as Officer
The Captive
2014 · as Frank
Hollow Man II
2006 · as Col. Gavin Bishop
Summer of 84
2018 · as Sheriff Caldwell
The Couple Across the Street
2026 · as Tom Sullivan
Dudley Do-Right
1999 · as In the Back
Another Sweet Christmas
2025 · as Declan 'Fitzy' Fitzgerald
There's Someone Inside Your House
2021 · as Mr. Sandford
The Snow Walker
2003 · as Miner in Bar
White Noise 2: The Light
2007 · as Dr. Karras
Past Malice: An Emma Fielding Mystery
2018 · as Sherman Arlington
Northern Lights
2009 · as Deputy Otto Gruber
Cold Blooded
2012 · as Louis Holland
The Fourth War
1990 · as MP Corporal
Gang in Blue
1996 · as Groat
The Virginian
2000 · as Scipio
Don't Look Down
1998 · as Ben