Rhys Coiro is an American actor. He had his career beginnings in the 2000s, first appearing in the 2003 film Making Revolution. On television, he had his first role in an episode of One on One. Between 2004 and 2011, he became widely known for his recurring character as Billy Walsh in HBO’s Entourage. During this period, he also had performances in the films Look, Mama’s Boy, The Unborn, and Kidnapping Caitlynn. He later starred as FBI Agent Sean Hillinger in 24.
In the 2010s, he played recurring role Dr. Zeke Barnes in A Gifted Man, as well as starred in the short-lived series Hostages. He also starred in several films, including Snow & Ashes, 30 Days of Night: Dark Days, MacGruber, Straw Dogs, A Good Old Fashioned Orgy, Life Happens, and As Cool as I Am. In 2015, he reprised his role as Billy Walsh in the Entourage sequel film of the same name. This year, he starred in the films Finding Steve McQueen and Hustlers. Coiro also played numerous recurring roles on TV recently — Ari Adamian in Graceland, Rob Heard in Ray Donovan, and Jed in The Walking Dead.