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