DM
Donald Sage Mackay
Actor
Filmography
| 2026 | Animal Friends · as John Fitzgerald |
| 2025 | Nuremberg · as Senator William Fulbright |
| 2025 | Going Dutch (TV Series) · as General Gus King |
| 2024 | Rematch (TV Series) · as George Silverman |
| 2024 | Eric (2024) (TV Series) · as Jerry |
| 2024 | The Regime (TV Series) · as Richard Kaiser |
| 2023 | The Great Escaper · as Nathan |
| 2023 | The Following Events Are Based on a Pack of Lies (TV Series) · as Norm Niedecker |
| 2023 | Red, White & Royal Blue · as Jeffrey Richards |
| 2022 | Wreck (TV Series) · as Henry Allan |
| 2022 | Cell 8 (TV Series) · as Pedersen |
| 2022 | The Pentaverate (TV Series) · as Netflix Executive |
| 2022 | The Fear Index (TV Series) · as Bill Easterbrook |
| 2020 | Alex Rider (TV Series) · as General Lomis |
| 2019 | Treadstone (TV Series) · as Greg Sanders |
| 2018 | Tom Clancy's Jack Ryan (TV Series) · as Cjcs Jeff Maguire |
| 2018 | Deep State (TV Series) · as Martin Collins |
| 2018 | The Looming Tower (TV Series) · as Commander Kirk Lippold |
| 2013 | Masters of Sex (TV Series) · as Prosecutor John Watson |
| 2013 | The Good Mother · as Bob |
| 2012 | Elementary (TV Series) · as Ben |
| 2010 | Blue Bloods (TV Series) · as Lt. Mike Collier |
| 2009 | Modern Family (TV Series) · as George |
| 2009 | The Good Wife (TV Series) · as Mike Pedrano |
| 2009 | Play the Game · as Retirement Home Director |
| 2009 | Drop Dead Diva (TV Series) · as Dr. Landers |
| 2009 | Transformers: Revenge of the Fallen · as Nuclear Submarine Commander |
| 2007 | |
| 2005 | Criminal Minds (TV Series) · as Senator Baylor |
| 2005 | |
| 2004 | House (TV Series) · as Neil |
| 2003 | NCIS (TV Series) · as Kerry Killmartin |
| 2002 | What I Like About You (TV Series) · as Super |
| 2002 | The Shield (TV Series) · as Fbi Special Agent Vulpio |
| 2002 | Desert Saints · as Officer Michaels |
| 2001 | According to Jim (TV Series) · as Greg |
| 2001 | Scrubs (TV Series) · as Doctor |
| 2001 | Star Trek: Enterprise (TV Series) · as Shilat |
| 2000 | The District (TV Series) · as Reporter #1 |
| 2000 | Malcolm in the Middle (TV Series) · as Man |
| 1999 | The West Wing (TV Series) · as Ellis |
| 1999 | Law & Order: Special Victims Unit (TV Series) · as Scott Greyland |
| 1999 | Passions (TV Series) · as Jerry |
| 1999 | Providence (TV Series) · as Officer Duncan |
| 1998 | The Swan Princess: The Mystery of the Enchanted Treasure · as Jean-Bob (voice) |
| 1998 | The Swan Princess: Sing Along · as Jean-Bob |
| 1997 | The Swan Princess: Escape from Castle Mountain · as Jean-Bob |
| 1997 | The Practice (TV Series) · as Howard Mcgowan |
| 1996 | 7th Heaven (TV Series) · as Host |
| 1995 | JAG (TV Series) · as Pilot |
| 1994 | ER (TV Series) · as Detective Lash |
| 1993 | Frasier (TV Series) · as Eduardo |
| 1987 | The Bold and the Beautiful (TV Series) · as Fantasy Minister |