Loading
Actor
Donald Sage Mackay
Known for
House2004
Malcolm in the Middle2000
Modern Family2009
NCIS2003
Tom Clancy's Jack Ryan2018
Elementary2012
Red, White & Royal Blue2023
Mad Men2007
Filmography
- TBAA Colt Is My PassportFilmWilson
- 2027Animal FriendsFilmJohn Fitzgerald
- 2025NurembergFilmSenator William Fulbright
- 2025Going DutchSeriesGeneral Gus King
- 2025Mystery Island: House RulesFilmDe. Stanley Wellington
- 2024EricSeriesJerry
- 2024The RegimeSeriesRichard Kaiser
- 2023Red, White & Royal BlueFilmJeffrey Richards
- 2023The Great EscaperFilmNathan
- 2023The Following Events Are Based on a Pack of LiesSeriesNorm Niedecker
- 2022WreckSeriesHenry Allan
- 2022Cell 8SeriesPedersen
- 2020Alex RiderSeriesGeneral Lomis
- 2019TreadstoneSeriesGreg Sanders
- 2018Tom Clancy's Jack RyanSeriesCJCS Jeff Maguire
- 2013Masters of SexSeriesJohn Watson
- 2013The Good MotherFilmBob
- 2012ElementarySeriesBen
- 2010Blue BloodsSeriesLt. Mike Collier
- 2009Modern FamilySeriesGeorge
- 2009The Good WifeSeriesMike Pedrano
- 2009Play the GameFilmRetirement Home Director
- 2009The Amazing Mrs. NovakSeries
- 2007Mad MenSeriesDr. Gosman
- 2005WeedsSeriesTSA Agent Warren
- 2004HouseSeriesNeil
- 2003NCISSeriesKerry Killmartin
- 2002What I Like About YouSeriesSuper
- 2001According to JimSeriesGreg
- 2001ScrubsSeriesDoctor, Dr. Page
- 2000Malcolm in the MiddleSeriesMan
- 2000The DistrictSeriesReporter #1
- 1999The West WingSeriesEllis
- 1999ProvidenceSeriesOfficer Duncan
- 1998The Swan Princess: The Mystery of the Enchanted KingdomFilmJean-Bob (voice)
- 1997The PracticeSeriesHoward McGowan
- 19967th HeavenSeriesHost
- 1995JAGSeriesPilot
- 1994ERSeriesDetective Lash
- 1993FrasierSeriesEduardo