Seth Gilliam

Seth Gilliam

Known for
Acting
Born
November 5, 1968 (age 58)
Birthplace
Washington Heights, New York, USA

Biography

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).

Known For

Photos

Seth Gilliam photoSeth Gilliam photo

Filmography

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Stakeout (Short) poster

Stakeout (Short)

Movie

2025
Ride or Die poster

Ride or Die

Movie · as Creon

2025
Suits LA poster

Suits LA

TV · as Dean Harris · 1 ep

2024
The Lady of the Lake poster

The Lady of the Lake

Movie · as Adam Schultz

2024
The Walking Dead: The Ones Who Live poster

The Walking Dead: The Ones Who Live

TV · as Gabriel Stokes · 1 ep

2023
Teen Wolf: The Movie poster

Teen Wolf: The Movie

Movie · as Dr. Alan Deaton

2023
The Zombie Wedding poster

The Zombie Wedding

Movie · as Reverend Harry Crump

2019
City on a Hill poster

City on a Hill

TV · as Jasper Fields · 1 ep

2018
Change in the Air poster

Change in the Air

Movie · as Officer Payne

2018
Silver Lake poster

Silver Lake

Movie · as Jeff

2018
Police State poster

Police State

Movie · as Officer Grady

2016
Bull poster

Bull

TV · as Dr. Poulson · 1 ep

2014
Still Alice poster

Still Alice

Movie · as Frederic Johnson

2013
The Blacklist poster

The Blacklist

TV · as Larry Whitaker · 1 ep

2012
The Skinny poster

The Skinny

Movie · as Testing Van Doc

2012
Elementary poster

Elementary

TV · as Dr. Ira Wallace · 1 ep

2011
Teen Wolf poster

Teen Wolf

TV · as Alan Deaton · 44 eps

2011
Person of Interest poster

Person of Interest

TV · as Des Franklin · 1 ep

2011
Homeland poster

Homeland

TV · as Chaplin · 1 ep

2010
Betrayed

Betrayed

Movie · as Roger Waite

2010
The Walking Dead poster

The Walking Dead

TV · as Gabriel Stokes · 106 eps

2009
Did You Hear About the Morgans? poster

Did You Hear About the Morgans?

Movie · as U.S. Marshal Lasky

2009
The People v. Leo Frank poster

The People v. Leo Frank

Movie · as Jim Conley

2009
The Good Wife poster

The Good Wife

TV · as Jacob Rickter · 2 eps

2009
Nurse Jackie poster

Nurse Jackie

TV · as Dr. Lindsey · 1 ep

2008
Sympathetic Details

Sympathetic Details

Movie · as Raymond

2007
The Wire: The Last Word poster

The Wire: The Last Word

Movie · as Self

2007
The Wire Odyssey poster

The Wire Odyssey

Movie · as Self

2007
Tapping the Wire poster

Tapping the Wire

Movie · as Self

2007
Damages poster

Damages

TV · as Mark Waters · 1 ep

2005
The Great New Wonderful poster

The Great New Wonderful

Movie · as Clayton

2005
Law & Order: Trial by Jury poster

Law & Order: Trial by Jury

TV · as Terence Wright · 4 eps

2005
Criminal Minds poster

Criminal Minds

TV · as Lyle Johnson · 1 ep

2002
Personal Velocity poster

Personal Velocity

Movie · as Vincent

2002
The Wire poster

The Wire

TV · as Ellis Carver · 56 eps

2002
CSI: Miami poster

CSI: Miami

TV · as Aaron Nolan · 1 ep

2001
Law & Order: Criminal Intent poster

Law & Order: Criminal Intent

TV · as Detective Daniels · 4 eps

2000
Punks poster

Punks

Movie · as Marcus

1997
Starship Troopers poster

Starship Troopers

Movie · as Private Sugar Watkins

1997
Oz poster

Oz

TV · as Clayton Hughes · 24 eps

1996
Tar poster

Tar

Movie · as Tyrone

1996
Courage Under Fire poster

Courage Under Fire

Movie · as Stephen Altameyer

1995
Jefferson in Paris poster

Jefferson in Paris

Movie · as James Hemings

1995
Heading Home poster

Heading Home

Movie · as Willie

1994
Assault at West Point: The Court-Martial of Johnson Whittaker poster

Assault at West Point: The Court-Martial of Johnson Whittaker

Movie · as Cadet Johnson C. Whittaker

1993
Joey Breaker poster

Joey Breaker

Movie · as Jeremy Brasher

1993
Mr. Wonderful poster

Mr. Wonderful

Movie · as Emergency Room Doctor (unconfirmed)

1992
In the Eyes of a Stranger poster

In the Eyes of a Stranger

Movie

1990
Law & Order poster

Law & Order

TV · as Michael´s Attorney, Babatunde Amoda · 1 ep

1984
The Cosby Show poster

The Cosby Show

TV · as Aaron Dexter · 3 eps