Donald Sage Mackay
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Acted in
Animal Friends
2025
as John Fitzgerald
Eric
2024
as Jerry
The Regime
2024
as Richard Kaiser
The Great Escaper
2023
as Nathan
The Following Events are Based on a Pack of Lies
2023
as Norm Niedecker
Red, White & Royal Blue
2023
as Jeffrey Richards
Wreck
2022
as Henry Allan
Alex Rider
2020
as General Lomis
Treadstone
2019
as Greg Sanders
Tom Clancy's Jack Ryan
2018
as CJCS Jeff Maguire
Masters of Sex
2013
as Prosecutor John Watson
Elementary
2012
as Ben
Blue Bloods
2010
as Lt. Mike Collier
Modern Family
2009
as George
The Good Wife
2009
as Mike Pedrano
The Amazing Mrs. Novak
2009
Play the Game
2009
as Retirement Home Director
Mad Men
2007
as Dr. Gosman
Weeds
2005
as TSA Agent Warren
House
2004
as Neil
NCIS
2003
as Commander Kerry Killmartin
What I Like About You
2002
as Super
According to Jim
2001
as Greg
Scrubs
2001
as Doctor
Scrubs
2001
as Dr. Page
The District
2000
as Reporter #1
Malcolm in the Middle
2000
as Man
The West Wing
1999
as Ellis
Providence
1999
as Officer Duncan
The Swan Princess: The Mystery of the Enchanted Kingdom
1998
as Jean-Bob (voice)
7th Heaven
1996
as Host
JAG
1995
as Pilot
ER
1994
as Detective Lash
Frasier
1993
as Eduardo