Seth Gilliam is best known for his portrayals of Ellis Carver on The Wire, Clayton Hughes on Oz, Dr. Alan Deaton on Teen Wolf, and his most famous role as Father Gabriel Stokes on The Walking Dead

His other film credits include Sergeant Sugar Watkins in the 1997 action film Starship Troopers and Sergeant Steven Altameyer in the 1996 film Courage Under Fire.