Seth Gilliam

Seth Gilliam

Acting • Born 1968-11-05

Acting2Washington 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).

Filmography

50 credits
Starship Troopers

Starship Troopers

Movie • 1997

Private Sugar Watkins

The Great New Wonderful

The Great New Wonderful

Movie • 2005

Clayton

Change in the Air

Change in the Air

Movie • 2018

Officer Payne

Teen Wolf: The Movie

Teen Wolf: The Movie

Movie • 2023

Dr. Alan Deaton

Sympathetic Details

Sympathetic Details

Movie • 2008

Raymond

The Wire: The Last Word

The Wire: The Last Word

Movie • 2007

Self

The Wire Odyssey

The Wire Odyssey

Movie • 2007

Self

Punks

Punks

Movie • 2000

Marcus

The Zombie Wedding

The Zombie Wedding

Movie • 2023

Reverend Harry Crump

In the Eyes of a Stranger

In the Eyes of a Stranger

Movie • 1992

Jefferson in Paris

Jefferson in Paris

Movie • 1995

James Hemings

Tapping the Wire

Tapping the Wire

Movie • 2007

Self

Betrayed

Betrayed

Movie • 2010

Roger Waite

Did You Hear About the Morgans?

Did You Hear About the Morgans?

Movie • 2009

U.S. Marshal Lasky

Tar

Tar

Movie • 1996

Tyrone

Still Alice

Still Alice

Movie • 2014

Frederic Johnson

Joey Breaker

Joey Breaker

Movie • 1993

Jeremy Brasher

Personal Velocity

Personal Velocity

Movie • 2002

Vincent

Courage Under Fire

Courage Under Fire

Movie • 1996

Stephen Altameyer

The Lady of the Lake

The Lady of the Lake

Movie • 2024

Adam Schultz

The People v. Leo Frank

The People v. Leo Frank

Movie • 2009

Jim Conley

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

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

Movie • 1994

Cadet Johnson C. Whittaker

Silver Lake

Silver Lake

Movie • 2018

Jeff

The Skinny

The Skinny

Movie • 2012

Testing Van Doc

Police State

Police State

Movie • 2018

Officer Grady

Heading Home

Heading Home

Movie • 1995

Willie

Mr. Wonderful

Mr. Wonderful

Movie • 1993

Emergency Room Doctor (unconfirmed)

Ride or Die

Ride or Die

Movie • 2025

Creon

Stakeout (Short)

Stakeout (Short)

Movie

The Wire

The Wire

TV • 2002

Ellis Carver

CSI: Miami

CSI: Miami

TV • 2002

Aaron Nolan

The Cosby Show

The Cosby Show

TV • 1984

Aaron Dexter

Law & Order: Trial by Jury

Law & Order: Trial by Jury

TV • 2005

Terence Wright

The Blacklist

The Blacklist

TV • 2013

Larry Whitaker

Teen Wolf

Teen Wolf

TV • 2011

Alan Deaton

Law & Order

Law & Order

TV • 1990

Michael´s Attorney

The Walking Dead

The Walking Dead

TV • 2010

Gabriel Stokes

Law & Order

Law & Order

TV • 1990

Babatunde Amoda

The Good Wife

The Good Wife

TV • 2009

Jacob Rickter

The Walking Dead: The Ones Who Live

The Walking Dead: The Ones Who Live

TV • 2024

Gabriel Stokes

Elementary

Elementary

TV • 2012

Dr. Ira Wallace

Person of Interest

Person of Interest

TV • 2011

Des Franklin

Bull

Bull

TV • 2016

Dr. Poulson

Law & Order: Criminal Intent

Law & Order: Criminal Intent

TV • 2001

Detective Daniels

City on a Hill

City on a Hill

TV • 2019

Jasper Fields

Criminal Minds

Criminal Minds

TV • 2005

Lyle Johnson

Suits LA

Suits LA

TV • 2025

Dean Harris

Homeland

Homeland

TV • 2011

Chaplin

Damages

Damages

TV • 2007

Mark Waters

Oz

Oz

TV • 1997

Clayton Hughes