Self / Dianne Feinstein / Jacqueline Kennedy (28 episodes, 2008-2013)
Self / Cam Gigandet / Carlos Mencia (26 episodes, 2008-2013)
Charles Bukowski / Governor Connally / Jesse Ventura / John McCain / Josh Brolin / Lewis Black / Orson Welles / Self (25 episodes, 2008-2012)
Self / Emile Hirsch (21 episodes, 2008-2012)
Rob Pattinson / Self (17 episodes, 2008-2014)
Self / Peter Facinelli / Tom Cruise (15 episodes, 2008-2013)
Guest (15 episodes, 2008-2011)
Self (13 episodes, 2008-2013)
Narrator / Self (13 episodes, 2008-2013)
Sean Penn (12 episodes, 2008-2012)
(6 episodes, 2009-2013)
(5 episodes, 2011-2013)
Bonnie Hunt (4 episodes, 2008-2011)
Self (4 episodes, 2011-2013)
Doctor J. Marcus (3 episodes, 2009-2010)
Hugh Yuse (2 episodes, 2010)
(2 episodes, 2010)
Adolph Hitler (2 episodes, 2009)
(2 episodes, 2008)
(2 episodes, 2009-2014)
(2 episodes, 2009-2011)
(2 episodes, 2009)
(2 episodes, 2013)
John F. Kennedy (1 episode, 2010)
Cindy McCain (1 episode, 2008)
(1 episode, 2008)
(1 episode, 2009)
(1 episode, 2010)
(1 episode, 2011)
Self (1 episode, 2011)
(1 episode, 2012)
(1 episode, 2013)
(1 episode, 2014)
(1 episode)
Self (unknown episodes)
Various (unknown episodes)