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Donald Sage Mackay | Slate

Donald Sage Mackay

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Donald Sage Mackay

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Donald Sage Mackay

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Known for: Acting

Known for

House2004
Malcolm in the Middle2000
Modern Family2009
NCIS2003
Tom Clancy's Jack Ryan2018

Actor

Animal Friends2027
Nuremberg2025
Mystery Island: House Rules2025

Going Dutch2025

Eric

Season 1

S1E1Episode 1
S1E2Episode 2

The Regime

Season 1

S1E1Victory Day

The Great Escaper2023

The Following Events Are Based on a Pack of Lies2023

Red, White & Royal Blue2023

Wreck

Season 1

S1E1Ship of Dreams
S1E2Catch of the Day
S1E3Showtime!
S1E5Needle in a Gaystack
S1E6Water Off a Duck's Back

Season 2

S2E3Hold the Line

Cell 8

Season 1

S1E2Dead Man Walking
S1E3Conflict of Interest
S1E4Extraordinary Rendition
S1E6Final Arguments

Alex Rider

Season 2

S2E8Strike

Treadstone

Season 1

S1E1The Cicada Protocol
S1E3The Berlin Proposal

Tom Clancy's Jack Ryan2018

Tom Clancy's Jack Ryan

Season 3

S3E8Star on the Wall

Masters of Sex2013

Masters of Sex

Season 4

S4E5Outliers

The Good Mother2013

Elementary

Season 4

S4E4All My Exes Live in Essex

Blue Bloods2010

Blue Bloods

Season 5

S5E18Bad Company

Modern Family2009

Modern Family

Season 7

S7E4She Crazy

The Good Wife2009

The Good Wife

Season 3

S3E17Long Way Home

The Amazing Mrs. Novak2009

Play the Game2009

Mad Men

Season 2

S2E5The New Girl

Weeds

Season 6

S6E13Theoretical Love Is Not Dead

House

Season 3

S3E11Words and Deeds

NCIS

Season 7

S7E6Outlaws and In-Laws

What I Like About You2002

What I Like About You

Season 1

S1E21Tyler v. World

According to Jim2001

According to Jim

Season 2

S2E9Thanksgiving Confidential

Scrubs

Season 2

S2E20My Interpretation
S2E8My Fruit Cups
S2E9My Lucky Day

Season 3

S3E16My Butterfly
S3E8My Friend the Doctor

The District2000

The District

Season 1

S1E20Running Towards Fire

Malcolm in the Middle2000

Malcolm in the Middle

Season 4

S4E8Boys at Ranch

The West Wing1999

The West Wing

Season 5

S5E3Jefferson Lives

Providence

Season 3

S3E19Meet Joe Connelly
S3E20Trial & Error
S3E21Rule Number One
S3E22Falling

The Swan Princess: The Mystery of the Enchanted Kingdom1998

The Practice1997

The Practice

Season 5

S5E15Awakenings
S5E16Gideon's Crossover

7th Heaven

Season 7

S7E15I Love Lucy

JAG

Season 8

S8E23Pas de Deux (2)

ER

Season 7

S7E8The Dance We Do

Frasier

Season 11

S11E3The Doctor Is Out

A Colt Is My Passport