Adrian Grenier Vincent Chase Actor Kevin Connolly Eric Murphy Actor Kevin Dillon Johnny "Drama" Chase Actor Jerry Ferrara Turtle Actor Jeremy Piven Ari Gold Actor Debi Mazar Shauna Guest Star Perrey Reeves Mrs. Ari Guest Star Rex Lee Lloyd Guest Star Nora Dunn Dr. Marcus Guest Star Samm Levine Reggie Guest Star Adam Wylie Jay Guest Star Jareb Dauplaise Kessler Guest Star Christian Monzon Ducati Salesman Guest Star Gary Kraus Movie Manager Guest Star Andy Langham Audience Guy Guest Star Jamie Strange Kessler's Sister Guest Star Paulina Slagter Teri Guest Star Kirby Bliss Blanton Amanda Guest Star Christen Harper Teenage Girl Guest Star Carlie Westerman Teenage Girl Guest Star Traci Murray Mother on Pier Guest Star Maya Harvey Daughter on Pier Guest Star Vladimir Rajcic Jack Guest Star Mark Wahlberg Executive Producer Stephen Levinson Executive Producer Doug Ellin Executive Producer Larry Charles Executive Producer