Warner Bros has dropped the first trailer for its Entourage pic. All main cast members from the hit HBO series are back, including Kevin Connolly, Adrian Grenier, Kevin Dillon, Jerry Ferrara, Jeremy Piven, Rex Lee, Debi Mazar, and Perrey Reeves as well as Emmanuelle Chriqui as Sloan and Rhys Coiro as Billy Walsh. WB releases the pic on June 5. Check out this first look above.