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 Samaire Armstrong Emily Guest Star Monica Keena Kristen Guest Star Larry David Guest Star Scarlett Johansson Guest Star Jordan Belfi Adam Davies Guest Star Kate Albrecht Christy Guest Star Scarlett Chorvat Carol Guest Star Julian Wells Goodbye Girl Guest Star Nadine Velazquez Janeen Guest Star Cliff Dorfman Auditioner Guest Star Larry Charles Audition Producer Guest Star, Executive Producer Doug Ellin Audition Producer Guest Star, Executive Producer Stephen Levinson Audition Producer Guest Star, Executive Producer Rob Weiss Audition Producer Guest Star Sheila Jaffe Casting Director Guest Star Frank Medrano Shop Employee Guest Star Amie Petersen Waitress Guest Star Tim Arnold Party-Goer Guest Star Kristen Marie Holly Party-Goer Guest Star Jennah Lintz Party-Goer Guest Star Mary McNeal Party-Goer Guest Star Bogdan Szumilas Agent Guest Star Mark Wahlberg Executive Producer