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Personal Info

Birth date

1968-11-05 (56 Years)

Gender

Male

Known for

Acting

Place of birth

Washington Heights, New York, USA

Also known as

Сет Гиллиам

Seth Gilliam

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

Acting

TBAStakeout as Unknown

2025Ride or Die as Creon

2025Suits LA (1 Episode) as Dean Harris

2024The Lady of the Lake as Adam Schultz

2024The Walking Dead: The Ones Who Live (1 Episode) as Gabriel Stokes

2023The Zombie Wedding as Reverend Harry Crump

2023Teen Wolf: The Movie as Dr. Alan Deaton

2019City on a Hill (1 Episode) as Jasper Fields

2018Silver Lake as Jeff

2018Change in the Air as Officer Payne

2018Police State as Officer Grady

2016Bull (1 Episode) as Dr. Poulson

2014Still Alice as Frederic Johnson

2013The Blacklist (1 Episode) as Larry Whitaker

2012Elementary (1 Episode) as Dr. Ira Wallace

2012The Skinny as Testing Van Doc

2011Person of Interest (1 Episode) as Des Franklin

2011Teen Wolf (44 Episodes) as Alan Deaton

2010The Walking Dead (106 Episodes) as Gabriel Stokes

2010Betrayed as Roger Waite

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

2009The Good Wife (2 Episodes) as Jacob Rickter

2009The People v. Leo Frank as Jim Conley

2008Sympathetic Details as Raymond

2007The Wire: The Last Word as Self

2007The Wire Odyssey as Self

2007Tapping the Wire as Self

2005Criminal Minds (1 Episode) as Lyle Johnson

2005The Great New Wonderful as Clayton

2005Law & Order: Trial by Jury (4 Episodes) as Terence Wright

2002CSI: Miami (1 Episode) as Unknown

2002The Wire (56 Episodes) as Ellis Carver

2002Personal Velocity as Vincent

2001Law & Order: Criminal Intent (4 Episodes) as Detective Daniels

2000Punks as Marcus

1997Starship Troopers as Private Sugar Watkins

1997Oz (2 Episodes) as Clayton Hughes

1996Tar as Tyrone

1996Courage Under Fire as Stephen Altameyer

1995Heading Home as Willie

1995Jefferson in Paris as James Hemings

1994Assault at West Point: The Court-Martial of Johnson Whittaker as Cadet Johnson C. Whittaker

1993Mr. Wonderful as Emergency Room Doctor (unconfirmed)

1993Joey Breaker as Jeremy Brasher

1992In the Eyes of a Stranger as Unknown

1990Law & Order (1, 1 Episode) as Michael´s Attorney, Babatunde Amoda

1984The Cosby Show (3 Episodes) as Aaron Dexter