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 Rex Lee Lloyd Guest Star Emmanuelle Chriqui Sloan McQuewick Guest Star Rhys Coiro Billy Walsh Guest Star Brian Palermo Real Estate Agent Guest Star Anne De Salvo Landlady Guest Star Colleen Camp Landlady Guest Star Adam Goldberg Nick Rubenstein Guest Star Ailsa Marshall Nicky's Girlfriend Guest Star Roxy Jezel Porn Actress Guest Star Monique Alexander Herself Guest Star Marcus London Porn Actor Guest Star Mark Wahlberg Executive Producer Stephen Levinson Executive Producer Doug Ellin Executive Producer Larry Charles Executive Producer