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Seth Gilliam

Seth Gilliam

Birthday: 1968-11-05 | Place of Birth: 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).

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Known For

Acting

Year
Title

Role

2025
Ride or Die

as    Creon

2024
The Lady of the Lake

as    Adam Schultz

2023
The Zombie Wedding

as    Reverend Harry Crump

2018
Silver Lake

as    Jeff

2018
Police State

as    Officer Grady

2018
Change in the Air

as    Officer Payne

2014
Still Alice

as    Frederic Johnson

2012
The Skinny

as    Testing Van Doc

2010
The Walking Dead

as    Gabriel Stokes

2010
Betrayed

as    Roger Waite

2009
The People v. Leo Frank

as    Jim Conley

2008
Sympathetic Details

as    Raymond

2007
The Wire: The Last Word

as    Self

2000
Punks

as    Marcus

1997
Starship Troopers

as    Private Sugar Watkins

1996
Courage Under Fire

as    Stephen Altameyer

1995
Jefferson in Paris

as    James Hemings

1993
Joey Breaker

as    Jeremy Brasher