Seth Gilliam
Acting

Seth Gilliam

November 5, 1968 (57 years old) Washington Heights, New York, USA

Also known as: Сет Гиллиам

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

Criminal Minds

Criminal Minds

2005 • TV

Law & Order

Law & Order

1990 • TV

Law & Order

Law & Order

1990 • TV

The Blacklist

The Blacklist

2013 • TV

Teen Wolf: The Movie

Teen Wolf: The Movie

2023 • Movie

Starship Troopers

Starship Troopers

1997 • Movie

Movie Credits (29)

Acting

2023

Teen Wolf: The Movie

as Dr. Alan Deaton

1997

Starship Troopers

as Private Sugar Watkins

2024

The Lady of the Lake

as Adam Schultz

2002

Personal Velocity

as Vincent

1992

In the Eyes of a Stranger

2012

The Skinny

as Testing Van Doc

2014

Still Alice

as Frederic Johnson

2018

Police State

as Officer Grady

2018

Silver Lake

as Jeff

1996

Courage Under Fire

as Stephen Altameyer

1993

Joey Breaker

as Jeremy Brasher

2018

Change in the Air

as Officer Payne

2009

Did You Hear About the Morgans?

as U.S. Marshal Lasky

2000

Punks

as Marcus

1995

Jefferson in Paris

as James Hemings

1995

Heading Home

as Willie

1993

Mr. Wonderful

as Emergency Room Doctor (unconfirmed)

Stakeout (Short)

2008

Sympathetic Details

as Raymond

1996

Tar

as Tyrone

TV Credits (21)

Acting

2005

Criminal Minds

as Lyle Johnson

1 episodes

1990

Law & Order

as Michael´s Attorney

1 episodes

1990

Law & Order

as Babatunde Amoda

1 episodes

2013

The Blacklist

as Larry Whitaker

1 episodes

2011

Homeland

as Chaplin

1 episodes

2010

The Walking Dead

as Gabriel Stokes

106 episodes

2011

Teen Wolf

as Alan Deaton

44 episodes

2002

CSI: Miami

as Aaron Nolan

1 episodes

2012

Elementary

as Dr. Ira Wallace

1 episodes

2002

The Wire

as Ellis Carver

56 episodes

2009

The Good Wife

as Jacob Rickter

2 episodes

2011

Person of Interest

as Des Franklin

1 episodes

2001

Law & Order: Criminal Intent

as Detective Daniels

4 episodes

2016

Bull

as Dr. Poulson

1 episodes

1984

The Cosby Show

as Aaron Dexter

3 episodes

1997

Oz

as Clayton Hughes

24 episodes

2007

Damages

as Mark Waters

1 episodes

2025

Suits LA

as Dean Harris

1 episodes

2024

The Walking Dead: The Ones Who Live

as Gabriel Stokes

1 episodes

2019

City on a Hill

as Jasper Fields

1 episodes

Personal Info

Known For
Acting
Gender
Male
Birthday
November 5, 1968 (57 years old)
Place of Birth
Washington Heights, New York, USA
Popularity
1.4

Career Stats

29
Movies
21
TV Shows