Seth Gilliam
Biography
Seth Gilliam, born on November 5, 1968, is an accomplished American actor recognized for his work on both stage and screen. He gained widespread acclaim for his portrayal of Father Gabriel in AMC's acclaimed post-apocalyptic drama, The Walking Dead, where he made his debut in Season 5.
Gilliam's career includes notable performances on HBO, where he first captivated audiences as Clayton Hughes, a corrections officer who becomes a prisoner in the gritty series Oz. He later portrayed Sergeant Ellis Carver, a dedicated Baltimore police detective, on the critically acclaimed series The Wire, sharing the screen with actors such as Lance Reddick and J.D. Williams. Additionally, he had a significant recurring role as Dr. Alan Deaton on the popular series Teen Wolf.
Throughout his career, Gilliam has made appearances in various television shows, including a memorable stint on The Cosby Show as Aaron Dexter, and guest roles in acclaimed series such as Law and Order: Criminal Intent, Nurse Jackie, and The Good Wife, among others.
In film, Gilliam has showcased his talents in roles such as Sergeant Steven Altameyer in Courage Under Fire (1996) and Private Sugar Watkins in the sci-fi action film Starship Troopers (1997). His filmography also includes Personal Velocity (2002), Did You Hear About the Morgans? (2009), and the Oscar-winning Still Alice (2014).
Filmography
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Still Alice
2014 • Frederic Johnson
Ride or Die (2025)
2025 • Creon
The Lady of the Lake
2024 • Adam Schultz
Personal Velocity
2002
Courage Under Fire
1996 • Stephen Altameyer
Teen Wolf: The Movie
2023
Change in the Air
2018 • Officer Payne
Jefferson in Paris
1995 • James Hemings
The Great New Wonderful
2005
Starship Troopers
1997 • Private Sugar Watkins
The Wire
2002 • Ellis Carver