Seth Gilliam is an American actor. He is best known for his portrayals of Ellis Carver on The Wire, Clayton Hughes on Oz, Dr. Alan Deaton on Teen Wolf, and Father Gabriel Stokes on The Walking Dead.
Gilliam’s film career has spanned from the early ’90s to today. He has starred in award-winning films such as Still Alice. His other film credits include Private Sugar Watkins in the 1997 action film Starship Troopers and Sergeant Steven Altameyer in the 1996 film Courage Under Fire.
Gilliam has had a number of recurring roles on television, including during the seventh season of The Cosby Show as Aaron Dexter, boyfriend of Erika Alexander’s character, and as Alan Deaton on Teen Wolf. His most prominent role, however, has been on The Wire. In 2008, he attracted attention for criticizing the show being overlooked for Emmy nominations despite its critical success. He has also had a number of guest roles in other shows such as CSI: Miami, Nurse Jackie, Skins, Person of Interest, and The Good Wife. He played Clayton Hughes on Oz.
Gilliam has also acted on stage, playing Prince Edward in a 1993 production of Richard III, and as the lead in the Commonwealth Shakespeare Company’s 2010 and 2011 productions of Othello at the Houston Shakespeare Festival, directed by his wife Leah C. Gardiner.
In May 2014, Gilliam was cast as Father Gabriel Stokes in the fifth season of AMC’s The Walking Dead. He also played Dr. Deaton in Teen Wolf for MTV.