Andrea Bennett (51 episodes, 2008-2012)
Julianna McKannis (29 episodes, 2007-2011)
Michael Koe (25 episodes, 2007-2011)
Ken Kornblatt (25 episodes, 2007-2011)
Tracy Gill / Tracy Gil (17 episodes, 2007-2012)
Jim Haggerty (15 episodes, 2007-2012)
Glen Bannon / Michael Bannon (10 episodes, 2007-2010)
Leslie Hillerman (9 episodes, 2007-2009)
General Cotti (9 episodes, 2007-2009)
Gregory Dawson (8 episodes, 2007-2010)
Jean Anne Whorton / Jean Ann Wharton (8 episodes, 2007-2009)
Jason Copeland (6 episodes, 2012)
Self (5 episodes, 2007-2009)
Omar / Omar Al Farouq (4 episodes, 2007-2010)
Nancy Fichandler (4 episodes, 2007-2010)
Andrew Novak (3 episodes, 2007-2008)
Duncan Birch (3 episodes, 2008-2010)
FIFA Official / Park Pedestrian / Rally attender (3 episodes, 2008-2010)
Lauralee Hickock (3 episodes, 2009-2010)
Bree Lindsay (3 episodes, 2009-2010)
Boyle's Wife / Susan Williams (2 episodes, 2007-2011)
Alan Pedersen, DOT Project Director / Alan Pedersen, DOT Spokesman (2 episodes, 2007)
Robert Haige (2 episodes, 2008-2009)
Jeff Tate (2 episodes, 2008)
David Barrodale (2 episodes, 2009-2010)
Todd Grant (2 episodes, 2009-2010)
Alex Blair (2 episodes, 2010)
Daniel Grossman (1 episode, 2009)
Self (1 episode, 2013)
Dr. Charles Davenport (1 episode, 2014)
Eric Mullay (1 episode, 2007)
John Bigelow (1 episode, 2009)
Joanne Smith (1 episode, 2009)
Grace Daniels (1 episode, 2010)
Demo Girl (1 episode, 2012)
Trent Montaug (1 episode, 2008)
(1 episode, 2007)
JT Kraig (1 episode, 2007)
Brian Scott (1 episode, 2007)
Reporter (1 episode, 2007)
Dan Carlysle, Political Expert (1 episode, 2008)
Kyle Dierkes (1 episode, 2008)
(1 episode, 2008)
Angela Harris (1 episode, 2008)
Nathan Cooper (1 episode, 2008)
Douglas Molino, Forensics Expert (1 episode, 2008)
Samuel Leslie (1 episode, 2008)
Eric Faas (1 episode, 2008)
Cressbeckler Supporter (1 episode, 2008)
Martha Walfield (1 episode, 2008)
Debra Browning (1 episode, 2008)
Alan Fisher (1 episode, 2008)
Self - Congressman (1 episode, 2008)
Frank Cahill (1 episode, 2008)
Rita Sharley (1 episode, 2008)
New Child Star (1 episode, 2008)
Countess Stephania Isabella de Uster (1 episode, 2009)
Raphael 'Le Jaguar' De La Croix (1 episode, 2009)
Tester 2 (1 episode, 2009)
Donald Felton (1 episode, 2009)
Julia Donahue (1 episode, 2009)
Reggie Greengrass (1 episode, 2009)
Tester (1 episode, 2009)
Teri Johnson (2009) (1 episode, 2009)
Terry Parker (1 episode, 2009)
Self - Star Trek Fan (1 episode, 2009)
Sylvio (1 episode, 2009)
Ramsey Chamie (1 episode, 2009)
Kat Barr (1 episode, 2009)
Marcia Asley (1 episode, 2009)
Bob Fryer (1 episode, 2009)
Executive (1 episode, 2009)
Sheriff (1 episode, 2009)
Tom Emmich (1 episode, 2009)
Rescuer (1 episode, 2009)
Mary Kohler (1 episode, 2009)
Anchor (1 episode, 2009)
Eurico Al Katiri (1 episode, 2009)
Kalin MacGraw (1 episode, 2009)
FEMA Spokesman (1 episode, 2009)
Jane Carmichael (1 episode, 2009)
Police Officer (1 episode, 2009)
Jessica Bunten (1 episode, 2009)
Sam Rioux (1 episode, 2009)
Paul Lancaster (1 episode, 2009)
Tanya Schilling (1 episode, 2009)
Son (1 episode, 2009)
Alex Heyward (1 episode, 2010)
Self - Executive Producer, 'Lost' (1 episode, 2010)
John Albert (1 episode, 2010)
Dr. Hanna Carrier (1 episode, 2010)
Lisa Shaw (1 episode, 2010)
Ian Beukel (1 episode, 2010)
Carter Anderson (1 episode, 2010)
Zhang Zhuohua (1 episode, 2010)
Lana Burroughs Primatologist (1 episode, 2010)
Apple Employee (1 episode, 2010)
Sorority Girl (1 episode, 2010)
Interviewee (1 episode, 2010)
Self - Speech attender (1 episode, 2010)
Paula Norcross (1 episode, 2010)
Self - 'Iron Man' Fan (1 episode, 2010)
Jim Ridgeway (1 episode, 2010)
Oprah Fan (1 episode, 2010)
CIA spokesman (1 episode, 2010)
Carly Rudolph (1 episode, 2010)
Molly Blitzer (1 episode, 2010)
Susan Eckman - Historian (1 episode, 2010)
Rep. Gary Nelson (1 episode, 2010)
Elizabeth Norelli (1 episode, 2010)
Katie Clements (1 episode, 2011)
Dr. Holbrook (1 episode, 2011)
Megan Cleary (1 episode, 2011)
Michael Falk (1 episode, 2011)
Rebeccah Rachel (1 episode, 2011)
Jessica (1 episode, 2011)
Hilary Leichter (1 episode, 2011)
Brad Holbrook (1 episode, 2011)
Chris Morgan (1 episode, 2011)
Erin Wolfson (1 episode, 2011)
Kenneth Quinn (1 episode, 2012)
Lacy (1 episode, 2012)
Jeevis Jones (1 episode, 2012)
Dr. Kevin Debacher (1 episode, 2012)
Evan Tegart (1 episode, 2012)
Neil Werner (1 episode, 2013)
Greg (Schlubby Guy) (1 episode, 2013)
Carl (1 episode, 2014)
Kevin Talbert (1 episode, 2014)
Dillon Hawks (1 episode, 2014)
Millennial (1 episode, 2016)
Cop (1 episode, 2017)
Cheryl Widders (1 episode)
Eva Hendry (uncredited) (1 episode, 2009)
Drunk girl from bus (uncredited) (1 episode, 2010)