William MacDonald

William MacDonald

Known For

Slither

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.

William MacDonald

Movies Featuring William MacDonald

The Couple Across the Street

The Couple Across the Street (2026)

as Tom Sullivan
Another Sweet Christmas

Another Sweet Christmas (2025)

as Declan 'Fitzy' Fitzgerald
Home Sweet Christmas

Home Sweet Christmas (2024)

as Declan 'Fitzy' Fitzgerald
Double Life

Double Life (2023)

as Glen Vukovich
The Blessing Bracelet

The Blessing Bracelet (2023)

as Chuck Spencer
#Xmas

#Xmas (2022)

as Jack Faison
#Xmas

#Xmas (2022)

as Jack
A Godwink Christmas: Miracle of Love

A Godwink Christmas: Miracle of Love (2021)

as John Fellman
There's Someone Inside Your House

There's Someone Inside Your House (2021)

as Mr. Sandford
No Image

Rabbit (2018)

as Leon (as Bill MacDonald)
Garage Sale Mysteries: Picture a Murder

Garage Sale Mysteries: Picture a Murder (2018)

as Scott Brady
Summer of 84

Summer of 84 (2018)

as Sheriff Caldwell
Past Malice: An Emma Fielding Mystery

Past Malice: An Emma Fielding Mystery (2018)

as Sherman Arlington
Concrete Evidence: A Fixer Upper Mystery

Concrete Evidence: A Fixer Upper Mystery (2017)

as Principal Darren Dean
The Captive

The Captive (2014)

as Frank
The Phantoms

The Phantoms (2012)

as Steve Boucher
Cold Blooded

Cold Blooded (2012)

as Louis Holland
Run Rabbit Run

Run Rabbit Run (2012)

as Baby Doll
Death Wish

Death Wish (2010)

as Elvis
Takedown

Takedown (2010)

as Stross Representative
Desperate Escape

Desperate Escape (2009)

as Detective Hanson
Storm Seekers

Storm Seekers (2009)

as Eli Harder
Northern Lights

Northern Lights (2009)

as Deputy Otto Gruber
Fragile

Fragile (2009)

as Doorman
Mail Order Bride

Mail Order Bride (2008)

as Sherrif
Trial by Fire

Trial by Fire (2008)

as Trip Crandall
On the Other Hand, Death: A Donald Strachey Mystery

On the Other Hand, Death: A Donald Strachey Mystery (2008)

as Jonas Baskin
Hybrid

Hybrid (2007)

White Noise 2: The Light

White Noise 2: The Light (2007)

as Dr. Karras
To Have and to Hold

To Have and to Hold (2006)

as Det. Wilson
Mount Pleasant

Mount Pleasant (2006)

as Jack
Hollow Man II

Hollow Man II (2006)

as Col. Gavin Bishop
Slither

Slither (2006)

as Mr. Strutemyer
Final Days of Planet Earth

Final Days of Planet Earth (2006)

as Cruikshank
Absolute Zero

Absolute Zero (2006)

as Dempsy
Personal Effects

Personal Effects (2005)

as Arthur Stowell
The Colt

The Colt (2005)

as Sgt. Woodruff
A Beachcombers Christmas

A Beachcombers Christmas (2004)

as Earl Decker
Shelf Life

Shelf Life (2004)

as Martin
Water's Edge

Water's Edge (2003)

as T. Wallace
The Snow Walker

The Snow Walker (2003)

as Miner in Bar
Betraying Reason

Betraying Reason (2003)

as Hoop
The Rhino Brothers

The Rhino Brothers (2002)

as Sasha Kanachowski
The Spiral Staircase

The Spiral Staircase (2000)

as Sheriff Bell
Romeo Must Die

Romeo Must Die (2000)

as Officer
The Virginian

The Virginian (2000)

as Scipio
Call of the Wild

Call of the Wild (2000)

as The Swede
Dudley Do-Right

Dudley Do-Right (1999)

as In the Back
Don't Look Down

Don't Look Down (1998)

as Ben
The Vigil

The Vigil (1998)

as George
Rupert's Land

Rupert's Land (1998)

as Brad
Golf Punks

Golf Punks (1998)

as Phelps (as William Macdonald)
Goldrush: A Real Life Alaskan Adventure

Goldrush: A Real Life Alaskan Adventure (1998)

as Chloroformer
Blackheart

Blackheart (1998)

as Boone
Contagious

Contagious (1997)

as Drug Worker
Barnone

Barnone (1997)

as Mike
Gang in Blue

Gang in Blue (1996)

as Groat
Posing: Inspired by Three Real Stories

Posing: Inspired by Three Real Stories (1991)

as Evan Stafford
The Fourth War

The Fourth War (1990)

as MP Corporal