Seth Gilliam

About

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...

Known for

Law & OrderSeries • 1990Nurse JackieSeries • 2009Criminal MindsSeries • 2005CSI: MiamiSeries • 2002The BlacklistSeries • 2013Person of InterestSeries • 2011Law & Order: Criminal IntentSeries • 2001The Walking DeadSeries • 2010The Good WifeSeries • 2009HomelandSeries • 2011ElementarySeries • 2012Teen WolfSeries • 2011The WireSeries • 2002BullSeries • 2016The Cosby ShowSeries • 1984OzSeries • 1997DamagesSeries • 2007The Walking Dead: The Ones Who LiveSeries • 2024City on a HillSeries • 2019Starship TroopersMovie • 1997Law & Order: Trial by JurySeries • 2005Suits LASeries • 2025Did You Hear About the Morgans?Movie • 2009Courage Under FireMovie • 1996