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Donald Sage Mackay
Actor · 38 credits
All Work
Going Dutch
2025
General Gus King
Eric
2024
Jerry
The Regime
2024
Richard Kaiser
The Following Events Are Based on a Pack of Lies
2023
Norm Niedecker
Wreck
2022
Henry Allan
Cell 8
2022
Pedersen
Alex Rider
2020
General Lomis
Treadstone
2019
Greg Sanders
Tom Clancy's Jack Ryan
2018
CJCS Jeff Maguire
Masters of Sex
2013
John Watson
Blue Bloods
2010
Lt. Mike Collier
9Modern Family
2009
George
The Good Wife
2009
Mike Pedrano
Mad Men
2007
Dr. Gosman
Weeds
2005
TSA Agent Warren
House
2004
Neil
NCIS
2003
Kerry Killmartin
Scrubs
2001
Doctor
The District
2000
Reporter #1
The West Wing
1999
Ellis
Providence
1999
Officer Duncan
The Practice
1997
Howard McGowan
7th Heaven
1996
Host
JAG
1995
Pilot
ER
1994
Detective Lash
Frasier
1993
Eduardo