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Seth Gilliam
ActorBorn November 5, 1968 (56 years)
Seth Gilliam (November 5, 1968) is an American screen and stage actor. He is most known as Father Gabriel on AMC's post-apocalyptic series The Walking Dead, first appearing in Season 5.
He is also known for his HBO television roles, first as corrections officer-turned-prisoner Clayton Hughes on Oz, and later as Baltimore police detective promoted to Sergeant, Ellis Carver on The Wire. On both of these series, he co-starred with Lance Reddick and J.D. Williams. Another of his major recurring roles was on the TV series Teen Wolf as Dr. Alan Deaton.
He had a recurring role during the seventh season of The Cosby Show as Aaron Dexter (boyfriend of Erika Alexander's character Pam), Law and Order: Criminal Intent, and Law and Order: Trial by Jury. He's had a number of guest roles in other shows such as CSI: Miami, Nurse Jackie, Skins, Person of Interest, The Good Wife, and Bull.
His feature film credits include his role as Sergeant Steven Altameyer in Courage Under Fire (1996) and Private Sugar Watkins in the action movie Starship Troopers (1997). His other films include Personal Velocity (2002), Did You Hear About the Morgans? (2009), and Still Alice (2014).
He is also known for his HBO television roles, first as corrections officer-turned-prisoner Clayton Hughes on Oz, and later as Baltimore police detective promoted to Sergeant, Ellis Carver on The Wire. On both of these series, he co-starred with Lance Reddick and J.D. Williams. Another of his major recurring roles was on the TV series Teen Wolf as Dr. Alan Deaton.
He had a recurring role during the seventh season of The Cosby Show as Aaron Dexter (boyfriend of Erika Alexander's character Pam), Law and Order: Criminal Intent, and Law and Order: Trial by Jury. He's had a number of guest roles in other shows such as CSI: Miami, Nurse Jackie, Skins, Person of Interest, The Good Wife, and Bull.
His feature film credits include his role as Sergeant Steven Altameyer in Courage Under Fire (1996) and Private Sugar Watkins in the action movie Starship Troopers (1997). His other films include Personal Velocity (2002), Did You Hear About the Morgans? (2009), and Still Alice (2014).
Filmography
| 2025 | Suits LA (TV Series) · as Dean Harris |
| 2024 | The Lady of the Lake · as Adam Schultz |
| 2024 | The Walking Dead: The Ones Who Live (TV Series) · as Gabriel Stokes |
| 2023 | The Zombie Wedding · as Reverend Harry Crump |
| 2023 | Teen Wolf: The Movie · as Dr. Alan Deaton |
| 2019 | City on a Hill (TV Series) · as Jasper Fields |
| 2019 | The Code (TV Series) · as Lt. Col. Metchaf |
| 2018 | Silver Lake · as Jeff |
| 2018 | Change in the Air · as Officer Payne |
| 2017 | Police State · as Officer Grady |
| 2016 | Bull (2016) (TV Series) · as Dr. Poulson |
| 2014 | Still Alice · as Frederic Johnson |
| 2013 | The Blacklist (TV Series) · as Larry Whitaker |
| 2012 | Elementary (TV Series) · as Dr. Ira Wallace |
| 2012 | The Skinny · as Testing Van Doc |
| 2011 | Homeland (TV Series) · as Chaplin |
| 2011 | Person of Interest (TV Series) · as Des Franklin |
| 2011 | Teen Wolf (TV Series) · as Alan Deaton |
| 2011 | Skins (US) (TV Series) · as Ken |
| 2010 | The Walking Dead (TV Series) · as Gabriel Stokes |
| 2010 | Svetlana (TV Series) · as Tomas |
| 2009 | Did You Hear About the Morgans? · as U.s. Marshal Lasky |
| 2009 | Mercy (TV Series) · as Police Officer |
| 2009 | The Good Wife (TV Series) · as Jacob Rickter |
| 2009 | Nurse Jackie (TV Series) · as Dr. Lindsey |
| 2009 | The People v. Leo Frank · as Jim Conley |
| 2008 | Sympathetic Details · as Raymond |
| 2007 | Damages (TV Series) · as Mark Waters |
| 2007 | The Bronx is Burning (TV Series) · as Paul Blair |
| 2005 | Criminal Minds (TV Series) · as Lyle Johnson |
| 2005 | The Great New Wonderful · as Clayton |
| 2005 | Law & Order: Trial by Jury (TV Series) · as Terence Wright |
| 2002 | Personal Velocity · as Vincent |
| 2002 | CSI: Miami (TV Series) |
| 2002 | The Wire (TV Series) · as Ellis Carver |
| 2001 | Law & Order: Criminal Intent (TV Series) · as Detective Daniels |
| 2000 | Punks · as Marcus |
| 1997 | Starship Troopers · as Private Sugar Watkins |
| 1997 | Oz (TV Series) · as Clayton Hughes |
| 1996 | Courage Under Fire · as Stephen Altameyer |
| 1995 | Jefferson in Paris · as James Hemings |
| 1994 | Assault at West Point: The Court-Martial of Johnson Whittaker · as Cadet Johnson C. Whittaker |
| 1993 | Mr. Wonderful · as Emergency Room Doctor (unconfirmed) |
| 1993 | Joey Breaker · as Jeremy Brasher |
| 1992 | |
| 1990 | Law & Order (TV Series) · as Babatunde Amoda |
| 1984 | The Cosby Show (TV Series) · as Aaron Dexter |