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 Monica Keena Kristen Guest Star Holly Valance Leanna Guest Star Lamar Odom Himself Guest Star Jaime Pressly Herself Guest Star Jeanine Giovanni Rachel Guest Star Paul Green Calf Guy Guest Star Thomas Crawford Sales Manager Guest Star Brianna Brown Jewelry Salesgirl Guest Star Chris Henchy Producer Guest Star Nealla Gordon Casting Producer Guest Star David DiBrienza Rodeo Dr. Shopper Guest Star Mark Wahlberg Executive Producer Stephen Levinson Executive Producer Doug Ellin Executive Producer Larry Charles Executive Producer