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 Maury Chaykin Harvey Weingard Guest Star Rhys Coiro Billy Walsh Guest Star Stanely DeSantis Scott Wick Guest Star Julian Acosta Alejandro Teva Guest Star Sarah Carter Cassie Guest Star James Cameron Himself Guest Star Peter Dinklage Himself Guest Star Todd Davis Usher Guest Star Adam Paul Moderator Guest Star Jessica Friedman Corine Guest Star Angela Trimbur Jen Guest Star Ryan Stefan Bantu Man With Compliment Guest Star Chrissy Metz Counter Girl Guest Star Mark Wahlberg Executive Producer Stephen Levinson Executive Producer Doug Ellin Executive Producer Larry Charles Executive Producer