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 Amber Lancaster Tara Guest Star Perrey Reeves Mrs. Ari Guest Star Rex Lee Lloyd Guest Star Gary Cole Andrew Klein Guest Star Scott Caan Scott Lavin Guest Star Kate Mara Brittany Guest Star Ron Marasco Doctor Guest Star Peter Siragusa Doctor Guest Star Barrett Foa Matt Wolpert Guest Star Erica Taylor Nurse Guest Star Beverly D'Angelo Barbara Miller Guest Star Jamie-Lynn Sigler Jamie-Lynn Sigler Guest Star Melinda Clarke Melinda Clarke Guest Star David Faustino David Faustino Guest Star Dean Cain Dean Cain Guest Star William Fichtner Phil Yagoda Guest Star Jordan Belfi Adam Davies Guest Star Skoti Collins Audition Cameraman Guest Star Preston Davis Jeff Guest Star John Eleton Murphy's Agent Guest Star Doug Ellin Director Guest Star, Executive Producer Jonathan Keltz Jake Steinberg Guest Star Malcolm McDowell Terrance McQuewick Guest Star Keith Middlebrook Studio Executive Guest Star Angie Rutan Studio Girl Guest Star Parker Snow Sorority Girl Guest Star Mark Wahlberg Executive Producer Stephen Levinson Executive Producer Larry Charles Executive Producer