TMDBFrom the public credits
Donald Sage Mackay
Actor
Tells you when a new project gets a date
39Credits
Known for
HouseNeil
Malcolm in the MiddleMan
Modern FamilyGeorge
NCISKerry Killmartin
Tom Clancy's Jack RyanCJCS Jeff Maguire2025Going DutchGeneral Gus King · 1 episodeShow
2024EricJerry · 2 episodesShow
2024The RegimeRichard Kaiser · 1 episodeShow
2023The Following Events Are Based on a Pack of LiesNorm Niedecker · 5 episodesShow
2022WreckHenry Allan · 6 episodesShow
2022Cell 8Pedersen · 4 episodesShow
2020Alex RiderGeneral Lomis · 1 episodeShow
2019TreadstoneGreg Sanders · 2 episodesShow
2018Tom Clancy's Jack RyanCJCS Jeff Maguire · 1 episodeShow
2013Masters of SexJohn Watson · 1 episodeShow
2012ElementaryBen · 1 episodeShow
2010Blue BloodsLt. Mike Collier · 1 episodeShow
2009The Amazing Mrs. Novak1 episodeShow
2005WeedsTSA Agent Warren · 1 episodeShow
2002What I Like About YouSuper · 1 episodeShow
2001According to JimGreg · 1 episodeShow
2001ScrubsDoctor, Dr. Page · 4 episodesShow
2000The DistrictReporter #1 · 1 episodeShow
1999The West WingEllis · 1 episodeShow
1999ProvidenceOfficer Duncan · 4 episodesShow
1997The PracticeHoward McGowan · 2 episodesShow
19967th HeavenHost · 1 episodeShow
1994ERDetective Lash · 1 episodeShow
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