Donald Sage Mackay
Known for: Acting
Known for
Showing 16 of 40 titles
7.1
TV
Masters of Sex
Prosecutor John Watson
2013
Drama
6.1
TV
The Regime
Richard Kaiser
2024
Drama
7.6
TV
NCIS
Kerry Killmartin
2003
Crime
7.1
TV
Treadstone
Greg Sanders
2019
Drama
7.6
TV
Elementary
Ben
2012
Drama
7.1
TV
The Following Events are Based on a Pack of Lies
Norm Niedecker
2023
Drama
8.2
TV
The West Wing
Ellis
1999
Drama
7.0
TV
Eric
Jerry
2024
Drama
7.7
TV
Tom Clancy's Jack Ryan
CJCS Jeff Maguire
2018
Drama
8.5
TV
Malcolm in the Middle
Man
2000
Comedy
7.6
TV
The Good Wife
Mike Pedrano
2009
Drama
5.8
TV
Going Dutch
General Gus King
2025
Comedy
7.6
TV
The Practice
Howard McGowan
1997
Drama
6.7
TV
Cell 8
Pedersen
2022
Drama
5.7
TV
Wreck
Henry Allan
2022
Comedy
8.0
TV
Scrubs
Doctor
2001
Comedy