Donald Sage Mackay
Biography
No biography available.
Gallery
Known For
Acting History
2026
Animal Friends as John Fitzgerald
2025Nuremberg as Senator William Fulbright
2025Mystery Island: House Rules as De. Stanley Wellington
2025Going Dutch as General Gus King
2024Eric as Jerry
2024The Regime as Richard Kaiser
2023The Great Escaper as Nathan
2023The Following Events are Based on a Pack of Lies as Norm Niedecker
2023Red, White & Royal Blue as Jeffrey Richards
2022Wreck as Henry Allan
2022Cell 8 as Pedersen
2020Alex Rider as General Lomis
2019Treadstone as Greg Sanders
2018Tom Clancy's Jack Ryan as CJCS Jeff Maguire
2013Masters of Sex as Prosecutor John Watson
2012Elementary as Ben
2010Blue Bloods as Lt. Mike Collier
2009Modern Family as George
2009The Good Wife as Mike Pedrano
2009The Amazing Mrs. Novak
2009Play the Game as Retirement Home Director
2007Mad Men as Dr. Gosman
2005Weeds as TSA Agent Warren
2004House as Neil
2003NCIS as Kerry Killmartin
2002What I Like About You as Super
2001According to Jim as Greg
2001Scrubs as Doctor
2001Scrubs as Dr. Page
2000The District as Reporter #1
2000Malcolm in the Middle as Man
1999The West Wing as Ellis
1999Providence as Officer Duncan
1998The Swan Princess: The Mystery of the Enchanted Kingdom as Jean-Bob (voice)
1997The Practice as Howard McGowan
19967th Heaven as Host
1995JAG as Pilot
1994ER as Detective Lash
1993Frasier as Eduardo