Acting · Washington Heights, New York, USA · Born November 5, 1968
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).
MovieRide or Die
2025
as Creon
TVSuits LA
2025
as Dean Harris
MovieThe Lady of the Lake
2024
as Adam Schultz
TVThe Walking Dead: The Ones Who Live
2024
as Gabriel Stokes
MovieThe Zombie Wedding
2023
as Reverend Harry Crump
MovieTeen Wolf: The Movie
2023
as Dr. Alan Deaton
TVCity on a Hill
2019
as Jasper Fields
MovieSilver Lake
2018
as Jeff
MovieChange in the Air
2018
as Officer Payne
MoviePolice State
2018
as Officer Grady
TVBull
2016
as Dr. Poulson
MovieStill Alice
2014
as Frederic Johnson
TVThe Blacklist
2013
as Larry Whitaker
TVElementary
2012
as Dr. Ira Wallace
MovieThe Skinny
2012
as Testing Van Doc
TVHomeland
2011
as Chaplin
TVPerson of Interest
2011
as Des Franklin
TVTeen Wolf
2011
as Alan Deaton
TVThe Walking Dead
2010
as Gabriel Stokes
Betrayed
2010
as Roger Waite
MovieDid You Hear About the Morgans?
2009
as U.S. Marshal Lasky
TVThe Good Wife
2009
as Jacob Rickter
TVNurse Jackie
2009
as Dr. Lindsey
The People v. Leo Frank
2009
as Jim Conley
Sympathetic Details
2008
as Raymond
MovieThe Wire: The Last Word
2007
as Self
MovieThe Wire Odyssey
2007
as Self
TVDamages
2007
as Mark Waters
MovieTapping the Wire
2007
as Self
TVCriminal Minds
2005
as Lyle Johnson
MovieThe Great New Wonderful
2005
as Clayton
TVLaw & Order: Trial by Jury
2005
as Terence Wright
TVCSI: Miami
2002
as Aaron Nolan
TVThe Wire
2002
as Ellis Carver
MoviePersonal Velocity
2002
as Vincent
TVLaw & Order: Criminal Intent
2001
as Detective Daniels
MoviePunks
2000
as Marcus
MovieStarship Troopers
1997
as Private Sugar Watkins
TVOz
1997
as Clayton Hughes
MovieTar
1996
as Tyrone
MovieCourage Under Fire
1996
as Stephen Altameyer
MovieHeading Home
1995
as Willie
MovieJefferson in Paris
1995
as James Hemings
MovieAssault at West Point: The Court-Martial of Johnson Whittaker
1994
as Cadet Johnson C. Whittaker
MovieMr. Wonderful
1993
as Emergency Room Doctor (unconfirmed)
MovieJoey Breaker
1993
as Jeremy Brasher
MovieIn the Eyes of a Stranger
1992
TVLaw & Order
1990
as Michael´s Attorney
TVThe Cosby Show
1984
as Aaron Dexter
MovieStakeout (Short)
