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 Rainn Wilson R.J. Spencer Guest Star Rich Voll Chris Guest Star Vanessa Angel Vanessa Angel Guest Star Jesse Jane Jesse Jane Guest Star Devon Devon Guest Star Teagan Presley Teagan Presley Guest Star Mandy Moore Mandy Moore Guest Star Chad Cleven Bellhop Guest Star Jesse Heiman Nerd Guest Star Jeremy Howard Nerd Guest Star Dana Woods Nerd Guest Star Craig Susser Craig Guest Star Laurence Cohen Nerd Guest Star Dave Shalansky Nerd Guest Star Scott Freeburg Nerd Guest Star Mark Wahlberg Executive Producer Stephen Levinson Executive Producer Doug Ellin Executive Producer Larry Charles Executive Producer