Seth Gilliam
Known for: Acting
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).
Filmography
Series
Law & Order
Michael´s Attorney
1990
Series
Law & Order
Babatunde Amoda
1990
Series
Criminal Minds
Lyle Johnson
2005
Series
The Walking Dead
Gabriel Stokes
2010
Series
The Blacklist
Larry Whitaker
2013
Series
CSI: Miami
Aaron Nolan
2002
Series
Homeland
Chaplin
2011
Series
Law & Order: Criminal Intent
Detective Daniels
2001
Series
Person of Interest
Des Franklin
2011
Series
The Good Wife
Jacob Rickter
2009
Series
Elementary
Dr. Ira Wallace
2012
Series
The Wire
Ellis Carver
2002
Series
Teen Wolf
Alan Deaton
2011
Series
Damages
Mark Waters
2007
Series
Oz
Clayton Hughes
1997
Series
The Cosby Show
Aaron Dexter
1984
Series
Bull
Dr. Poulson
2016
Series
Nurse Jackie
Dr. Lindsey
2009
Series
The Walking Dead: The Ones Who Live
Gabriel Stokes
2024
Film
Starship Troopers
Private Sugar Watkins
1997
Series
Suits LA
Dean Harris
2025
Series
City on a Hill
Jasper Fields
2019
Series
Law & Order: Trial by Jury
Terence Wright
2005
Film
Still Alice
Frederic Johnson
2014
Film
Teen Wolf: The Movie
Dr. Alan Deaton
2023
Film
Courage Under Fire
Stephen Altameyer
1996
Film
Did You Hear About the Morgans?
U.S. Marshal Lasky
2009
Sympathetic Details
Raymond
2008
Film
Stakeout (Short)
Film
Personal Velocity
Vincent
2002
Film
Punks
Marcus
2000
Film
Heading Home
Willie
1995
Film
Jefferson in Paris
James Hemings
1995
Film
Mr. Wonderful
Emergency Room Doctor (unconfirmed)
1993
Film
Change in the Air
Officer Payne
2018
Film
The Wire Odyssey
Self
2007
Film
The Great New Wonderful
Clayton
2005
Film
Assault at West Point: The Court-Martial of Johnson Whittaker
Cadet Johnson C. Whittaker
1994
Film
The Skinny
Testing Van Doc
2012
Film
Joey Breaker
Jeremy Brasher
1993
Film
The Wire: The Last Word
Self
2007
Film
Tapping the Wire
Self
2007
Film
Tar
Tyrone
1996
Betrayed
Roger Waite
2010
Film
Silver Lake
Jeff
2018
Film
Ride or Die
Creon
2025
Film
Police State
Officer Grady
2018
Film
In the Eyes of a Stranger
1992
Film
The Zombie Wedding
Reverend Harry Crump
2023
The People v. Leo Frank
Jim Conley
2009
Film
The Lady of the Lake
Adam Schultz
2024