
Seth Gilliam
- Known for
- Acting
- Born
- November 5, 1968
- Birthplace
- Washington Heights, New York, USA
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

Stakeout (Short) TBA
Actor

Ride or Die 2025
as Creon

The Lady of the Lake 2024
as Adam Schultz

The Zombie Wedding 2023
as Reverend Harry Crump

Teen Wolf: The Movie 2023
as Dr. Alan Deaton

Silver Lake 2018
as Jeff

Change in the Air 2018
as Officer Payne

Police State 2018
as Officer Grady

Still Alice 2014
as Frederic Johnson

The Skinny 2012
as Testing Van Doc
- Betrayed
Betrayed 2010
as Roger Waite

Did You Hear About the Morgans? 2009
as U.S. Marshal Lasky

The People v. Leo Frank 2009
as Jim Conley
- Sympathetic Details
Sympathetic Details 2008
as Raymond

The Wire: The Last Word 2007
as Self

The Wire Odyssey 2007
as Self

Tapping the Wire 2007
as Self

The Great New Wonderful 2005
as Clayton

Personal Velocity 2002
as Vincent

Punks 2000
as Marcus

Starship Troopers 1997
as Private Sugar Watkins

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
Actor
Credits from TMDB.