← Back to explore

Donald Sage Mackay

Acting

IMDb

Filmography34 titles

House

2004as Neil

Malcolm in the Middle

2000as Man

The West Wing

1999as Ellis

Scrubs

2001as Dr. Page

Mad Men

2007as Dr. Gosman

Red, White & Royal Blue

2023as Jeffrey Richards

Modern Family

2009as George

Alex Rider

2020as General Lomis

Blue Bloods

2010as Lt. Mike Collier

ER

1994as Detective Lash

Tom Clancy's Jack Ryan

2018as CJCS Jeff Maguire

The Practice

1997as Howard McGowan

Frasier

1993as Eduardo

Nuremberg

2025as Senator William Fulbright

Elementary

2012as Ben

The Good Wife

2009as Mike Pedrano

NCIS

2003as Kerry Killmartin

Weeds

2005as TSA Agent Warren

JAG

1995as Pilot

Treadstone

2019as Greg Sanders

Masters of Sex

2013as Prosecutor John Watson

Eric

2024as Jerry

Mystery Island: House Rules

2025as De. Stanley Wellington

The District

2000as Reporter #1

Cell 8

as Pedersen

The Great Escaper

2023as Nathan

According to Jim

2001as Greg

What I Like About You

2002as Super

7th Heaven

1996as Host

The Swan Princess: The Mystery of the Enchanted Kingdom

1998as Jean-Bob (voice)

Going Dutch

2025as General Gus King

Play the Game

2009as Retirement Home Director

Wreck

2022as Henry Allan

The Good Mother

2013as Bob