Billy Walsh (Rhys Coiro) in Entourage

Rhys Coiro as

Billy Walsh

Rhys Coiro makes his Entourage debut as Billy Walsh in episode 7 of the show’s first season, The Scene. When Billy is first introduced, he is an up-and-coming film director in the independent circuit and is recruited to direct a variety of Vince’s films over the course of the show’s eight seasons, including Queens Boulevard, Medellin and Lost in the Clouds, which later becomes Silo. Through much of the series, Billy upholds an aggressive personality and maintains a heated rivalry with Kevin Connolly’s character, Eric Murphy.