Seth Gilliam
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).
Acted in
The Lady of the Lake
2024
as Adam Schultz
The Walking Dead: The Ones Who Live
2024
as Gabriel Stokes
The Zombie Wedding
2023
as Reverend Harry Crump
Teen Wolf: The Movie
2023
as Dr. Alan Deaton
City on a Hill
2019
as Jasper Fields
Silver Lake
2018
as Jeff
Change in the Air
2018
as Officer Payne
Police State
2018
as Officer Grady
Bull
2016
as Dr. Poulson
Still Alice
2014
as Frederic Johnson
The Blacklist
2013
as Larry Whitaker
Elementary
2012
as Dr. Ira Wallace
The Skinny
2012
as Testing Van Doc
Person of Interest
2011
as Detective Des Franklin
Teen Wolf
2011
as Alan Deaton
The Walking Dead
2010
as Gabriel Stokes
Betrayed
2010
as Roger Waite
Did You Hear About the Morgans?
2009
as U.S. Marshal Lasky
The Good Wife
2009
as Jacob Rickter
The People v. Leo Frank
2009
as Jim Conley
Sympathetic Details
2008
as Raymond
The Wire: The Last Word
2007
The Wire Odyssey
2007
as Self
Tapping the Wire
2007
as Self
Criminal Minds
2005
as Lyle Johnson
The Great New Wonderful
2005
as Clayton
Law & Order: Trial by Jury
2005
as Terence Wright
CSI: Miami
2002
The Wire
2002
as Ellis Carver
The Wire
2002
as Detective Ellis Carver
The Wire
2002
as Sergeant Ellis Carver
Personal Velocity
2002
as Vincent
Law & Order: Criminal Intent
2001
as Detective Daniels
Punks
2000
as Marcus
Starship Troopers
1997
as Private Sugar Watkins
Oz
1997
as Clayton Hughes
Tar
1996
as Tyrone
Courage Under Fire
1996
as Stephen Altameyer
Heading Home
1995
as Willie
Jefferson in Paris
1995
as James Hemings
Assault at West Point: The Court-Martial of Johnson Whittaker
1994
as Cadet Johnson C. Whittaker
Mr. Wonderful
1993
as Emergency Room Doctor (unconfirmed)
Joey Breaker
1993
as Jeremy Brasher
In the Eyes of a Stranger
1992
Law & Order
1990
as Michael´s Attorney
Law & Order
1990
as Babatunde Amoda
The Cosby Show
1984
as Aaron Dexter
Ride or Die
as Creon