Seth Gilliam - Biography

Last Modified: Nov 17, 2022

Seth Gilliam
Profession: Actor
Best Known For: The Walking Dead (TV series), The Wire (TV series)
Salary: Under Review
Net Worth: $1.5 million

Personal Details

Born on : November 5, 1968 (age 55)
Birth Name /
Full Name:
Seth Gilliam
Birth Place: Long Island, New York, USA
Horoscope: Scorpio
Father's Name: N/A
Mother's Name: N/A
Siblings: N/A
University: State University of New York at Purchase
Ethnicity: African-American
Nationality: American


Sexual Orientation: Straight
Marital Status: Married
Married Date: August 24, 2005
Wife's Name: Leah C. Gardiner
Children: 1

Body Measurements

Height: 1.74 meter (5 feet 9 inch)
Weight: 75 kg (165.35 lb)
Hair Color: Bald
Eye Color: Dark Brown
Shoe Size: N/A
Bicep Size: N/A
Chest Size: N/A
Waist Size: N/A

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Who is Seth Gilliam?

Seth Gilliam is an actor well known for starring in The Wire as Ellis Carver, Oz as Clayton Hughes, Law & Order: Criminal Intent as Detective Daniels, Teen Wolf as Dr. Alan Deaton, and The Walking Dead as Father Gabriel Stokes.

Seth Gilliam, Michael Chiklis in The Wire (Image: 2Paragraphs)

Seth Gilliam – Age, Parents, Siblings

Seth Gilliam was born in Long Island, New York, USA on November 5, 1968. Not much information is publicly available when it comes to his early life- including the name of his mother, father, siblings, or what his parents did for a living.

Education, Ethnicity

Following high school graduation, Seth Gilliam went on to study at the State University of New York at Purchase (SUNY Purchase). He graduated from the same in 1990.

His ethnicity is believed to be African-American.

Seth Gilliam – Girlfriend, Wife, Children, Divorce

Seth Gilliam has been married to Obie Award-winning director Leah C. Gardiner since 24 August 2005. He and his wife have a child whose name/sex is not revealed to the public. The couple seems to be happy in their relationship and marriage as there are no rumors of divorce.

Moreover, his dating history and previous relationship(s) of Gilliam are unknown.

Seth Gilliam, Leah C. Gardiner (Image: Daily Express)

Seth Gilliam – Career

Early Days

Gilliam began his career as an actor in the early 1990s. He appeared in the 1990 Central Park stage production of Richard III which also starred Denzel Washington. From 1990 to 1991 he starred in 3 episodes of the sitcom The Cosby Show as Aaron Dexter. This was followed by appearances in the TV films In the Eyes of a Stranger (1992), Assault at West Point: The Court-Martial of Johnson Whittaker (1994), and the TV series Law & Order (1992).

Finally, in 1999, Seth Gilliam was cast as Clayton Hughes in the drama TV series Oz. He portrayed the character for a total of 17 episodes, until 2001, and is considered his breakthrough role.

Films, Series

Over the years Seth Gilliam has starred in the films Joey Breaker (1993), Jefferson in Paris (1995), Starship Troopers (1997), Personal Velocity: Three Portraits (2002), Did You Hear About the Morgans? (2009), Still Alice (2014), and Police State (2015), etc.

His work is prominent in Television series as he has worked in about two dozen series. Gilliam has played in The Wire (2002-2008) as Ellis Carver, Law & Order (2007-2008, 2010), Teen Wolf (2011-2017) as Dr. Alan Deaton, The Walking Dead (2014-present) as Gabriel Stokes, City on a Hill (2019), among others.

Aside from his TV and film work, Seth Gilliam has worked in the theatre production of Othello (2010, 2011), King Lear (2011) at The Public Theater, and 2018’s The Last Bar at the End of the World.

Seth Gilliam, Ross Marquand in The Walking Dead (Image: Digitalspy)


On the set of The Walking Dead, Seth Gilliam has worked with Eleanor Matsuura, Cooper Andrews, Angel Theory, Michael James Shaw, and Margot Bingham.

Seth Gilliam – Net Worth, Salary

The net worth of Seth Gilliam is estimated at around $1.5 million while the figure on his annual salary is under review.

Seth Gilliam – Instagram, Twitter, Facebook

Seth Gilliam is absent on social media handles such as Instagram, Twitter, and Facebook.

List of The Walking Dead cast:

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Tags : Seth Gilliam actor The Wire Ellis Carver The Walking Dead Father Gabriel Stokes

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