Coiro may be best-known for his role on the HBO original series Entourage as Billy Walsh. He portrayed FBI Agent Sean Hillinger in the seventh season of 24 on FOX. Coming Attractions: Coiro plays 2010 in 30 Days of Night: Dark Days and Norman in the Straw Dogs remake. Date of Birth 12 March 1979, Calabria, Italy Height 6' 2" (1.88 m) Trivia Rhys Coiro grew up in Washington D.C. and he was born to Italian Albanian parents. He has a brother, Alec. He graduated with a BFA from the Carnegie Mellon University School of Drama. He attended Princeton High School in Princeton, New Jersey. Rhys Coiro has a daughter (born in 2008) by director Kat Coiro.