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William MacDonald | Slate

William MacDonald

Photo

William MacDonald

Photo

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.

Known for: Acting

Known for

Riverdale2017
The Good Doctor2017

Actor

I Will Find You2026
I Will Find You
Season 1
S1E6Episode 6
The Couple Across the Street2026
Another Sweet Christmas2025

7.7

The Flash2014

Supernatural2005

The Last of Us2023

Stick2025

Stick

Season 1

S1E6RV Shangri-La

Home Sweet Christmas2024

Tracker

Season 1

S1E3Springland

Double Life2023

The Blessing Bracelet2023

The Night Agent2023

The Night Agent

Season 1

S1E1The Call

The Last of Us2023

The Last of Us

Season 2

S2E6The Price

A Godwink Christmas: Miracle of Love2021

There's Someone Inside Your House2021

Resident Alien2021

Resident Alien

Season 2

S2E10The Ghost of Bobby Smallwood

Garage Sale Mysteries: Picture a Murder2018

Summer of 842018

The Terror

Season 2

S2E5Shatter Like a Pearl
S2E8My Sweet Boy
S2E9Come and Get Me

Past Malice: An Emma Fielding Mystery2018

The Good Doctor2017

Concrete Evidence: A Fixer Upper Mystery2017

Riverdale

Season 7

S7E1Chapter One Hundred Eighteen: Don't Worry Darling
S7E11Chapter One Hundred Twenty-Eight: Halloween II
S7E12Chapter One Hundred Twenty-Nine: After the Fall
S7E13Chapter One Hundred Thirty: The Crucible
S7E14Chapter One Hundred Thirty-One: Archie the Musical
S7E15Chapter One Hundred Thirty-Two: Miss Teen Riverdale
S7E16Chapter One Hundred Thirty-Three: Stag
S7E19Chapter One Hundred Thirty-Six: The Golden Age of Television
S7E2Chapter One Hundred Nineteen: Skip, Hop and Thump!
S7E3Chapter One Hundred Twenty: Sex Education
S7E4Chapter One Hundred Twenty-One: Love & Marriage
S7E5Chapter One Hundred Twenty-Two: Tales in a Jugular Vein
S7E6Chapter One Hundred Twenty-Three: Peep Show
S7E7Chapter One Hundred Twenty-Four: Dirty Dancing
S7E8Chapter One Hundred Twenty-Five: Hoop Dreams

Travelers

Season 1

S1E1Travelers
S1E4Hall
S1E6Helios-685
S1E7Protocol 5
S1E9Bishop

Season 2

S2E1Ave Machina
S2E11Simon
S2E3Jacob

Season 3

S3E2Yates

Supergirl

Season 4

S4E15O Brother, Where Art Thou?

The Flash

Season 6

S6E10Marathon
S6E17Liberation

The Captive2014

Hemlock Grove2013

Hemlock Grove

Season 3

S3E1A Place to Fall

The Phantoms2012

Cold Blooded2012

Run Rabbit Run2012

Haven

Season 5

S5E15Power

Rookie Blue2010

Rookie Blue

Season 5

S5E2All by Her Selfie

Republic of Doyle2010

Republic of Doyle

Season 3

S3E8Two Jakes and a Baby

Desperate Escape2009

Stargate Universe2009

Stargate Universe

Season 1

S1E15Lost

The Listener2009

The Listener

Season 2

S2E5Inner Circle

Storm Seekers2009

Northern Lights2009

Mail Order Bride2008

Trial by Fire2008

On the Other Hand, Death: A Donald Strachey Mystery2008

Alien Agent2007

White Noise 2: The Light2007

To Have and to Hold2006

Mount Pleasant2006

Psych

Season 2

S2E6Meat Is Murder, but Murder Is Also Murder

Hollow Man II2006

Final Days of Planet Earth2006

Absolute Zero2006

Supernatural2005

Supernatural

Season 5

S5E8Changing Channels

Season 12

S12E4American Nightmare

Personal Effects2005

A Beachcombers Christmas2004

Stargate Atlantis2004

Stargate Atlantis

Season 2

S2E14Grace Under Pressure

Tru Calling2003

Water's Edge2003

The Snow Walker2003

Mayday

Season 12

S12E8Catastrophe at OHare (American Airlines Flight 191)

Betraying Reason2003

The Rhino Brothers2002

The Dead Zone2002

The Dead Zone

Season 2

S2E10Dead Men Tell Tales

Smallville

Season 3

S3E10Whisper

The Spiral Staircase2000

Call of the Wild2000

Call of the Wild

Season 1

S1E12Molly Brown

Romeo Must Die2000

The Virginian2000

Call of the Wild2000

Dudley Do-Right1999

Don't Look Down1998

Rupert's Land1998

Goldrush: A Real Life Alaskan Adventure1998

Millennium

Season 1

S1E5522666

Gang in Blue1996

Poltergeist: The Legacy1996

Poltergeist: The Legacy

Season 1

S1E6The Twelfth Cave

The Sentinel1996

The Sentinel

Season 2

S2E22Survival

The Outer Limits1995

The Outer Limits

Season 2

S2E1A Stitch in Time

Season 7

S7E4The Surrogate

Viper

Season 3

S3E13What Makes Sammy Chun

The X-Files1993

The X-Files

Season 1

S1E10Fallen Angel

Season 2

S2E2The Host

Season 3

S3E62Shy

Season 4

S4E4Unruhe

Season 5

S5E10Chinga

Posing: Inspired by Three Real Stories1991

The Fourth War1990

Quantum Leap1989

Quantum Leap

Season 2

S2E1Honeymoon Express

MacGyver

Season 6

S6E6Lesson in Evil