Donald Sage Mackay
Known for: Acting
Known for
Mystery Island: House Rules
2025
The Swan Princess: The Mystery of the Enchanted Kingdom
1998
The Great Escaper
2023
The Good Mother
2013
What I Like About You
2002
Mad Men
2007
A Colt Is My Passport
House
2004
Animal Friends
2027
The District
2000
Red, White & Royal Blue
2023
Providence
1999
According to Jim
2001
7th Heaven
1996
Modern Family
2009
The Amazing Mrs. Novak
2009
Weeds
2005
ER
1994
Nuremberg
2025
Frasier
1993
Alex Rider
2020
Blue Bloods
2010
JAG
1995
Masters of Sex
2013
The Regime
2024
NCIS
2003
Treadstone
2019
Elementary
2012
The Following Events Are Based on a Pack of Lies
2023
The West Wing
1999
Eric
2024
Tom Clancy's Jack Ryan
2018
Malcolm in the Middle
2000
The Good Wife
2009
Going Dutch
2025
The Practice
1997
Cell 8
2022
Wreck
2022
Scrubs
2001
Play the Game
2009