- Kevin Chamberlin - Ted's Father
- Richard Fancy - Mr. Campbell
- Kristoffer Polaha - Don
- Richard Riehle - Bob
- Maz Jobrani - Dr. Bhamba
- Taye Diggs - Greg
- Khandi Alexander - Stella
- Jeff Doucette - Mr. Krebs
- Stefanie von Pfetten - Greta
- Chris Parnell - Walter
- Kyle Bornheimer - Pete
- Eddie McClintock - Billy
- Janet Varney - Female Lawyer
- Geoff Pierson - Elijah Palmer
- Mark Deklin - Mordor
- Richard McGonagle - Manny
- Jennifer Irwin - Denise
- Patricia Belcher - Janet
- Rick Hoffman - Mr. Page
- Ernie Grunwald - Clark
- Chris Dotson - Joe
- Jesse Head - Stu
- Rocky McMurray - General McMillan
- Natalia Reagan - Mindy
- Alison Robertson - Kathy
- Peter Spruyt - Jerome
- Sean Christopher Davis - Jerry
- Julian Bailey - Hal
- Jonathan T. Floyd - Bert
- Roger Narayan - Jim
- Benjamin King - Gil
- Abner Genece - Francis Groth
- Joy Osmanski - Lucy
- Ithamar Enriquez - Wallace
- Jordan Murphy - Male Lawyer
- Gary Rubenstein - Dr. Rosenbaum
- Yuki Matsuzaki - Scientist #1
- Keisuke Hoashi - Scientist #2
- Rachelle Lefevre - Rebecca
- Shantel Wislawski - Sabrina
- Bill Parks - Ernie
- Brady Matthews - Steve
- Jennifer Landa - Kristi
- Stanley Ullman - Coffee Cart Guy
- Virginia Williams - Danielle
- Chelsey Crisp - Nadine
- Christopher Hoffman - Jeffrey
- Matt Miller - Bert
- Brandon Molale - Extraction Guy #1
- Mike Siegel - Executive #1
- Jesse Henecke - Guy
- Jerry Kernion - Keith
- Zaid Farid - Steve
- Christina Ferraro - Gail
- Kristi Clainos - Erica
- Wilmer Calderon - Carlos
- Brad Raider - Perry
- Warren Sweeney - Gordon Jenkins
- Graham Norris - Johnny
- Ed Hopkins - Narrator (voice)
- Chip Chinery - Ryan
- Lydia Blanco Garza - Sarah (as Lydia Blanco)
- Vivian Bang - Debbie
- Jake Dogias - Alvin
- Leanne Wilson - Kathleen
- Omi Vaidya - William
- Rizwan Manji - Rick
- John Hans Tester - Hans (as Hans Tester)
- Stefan Marks - Brett
- Shirley Jordan - Mrs. Boudreaux
- Glenn Taranto - Lou
- Callie Thompson - Olivia
- Danielle Soibelman - Hannah
- Richard Robichaux - Mark
- Richard Robichaux - Ritchie
- Kaelyn Raye Lustig - Ava
- Larry Udy - Man
- Claudia Choi - Employee
- Terry Rhoads - Chet
- Merrin Dungey - Sheila
- Dakin Matthews - Arthur Wells
- Bill Stevenson - Lonny
- Rachelle Wood - Susan
- Donald Li - Asian Man
- Malcolm Foster Smith - Water Guy
- Carla Jimenez - Patricia
- Adam Harrington - Jimmy
- John Prudhont - Bob Starks
- Tom Hughes - Brody
- Andy Francess - Herald
- Aj Brody - Willy
- Joel Zaldivar - Justin Zwordling
- Becky Mann
- Audra Sielaff
- Jordan Young
- Ingrid Escajeda
- Michael Shipley
- Kat Likkel
- Michael A. Ross
- Mike Teverbaugh
- John Hoberg
- Jill Anthony Thomas
- Chris Alan Lee
- Kevin J. Edelman
Maz Jobrani interpreta a Dr. Bhamba en la serie.
Jay Harrington interpreta a Ted Crisp en la serie.
Portia de Rossi interpreta a Veronica Palmer en la serie.
Andrea Anders interpreta a Linda Zwordling en la serie.
Jonathan Slavin interpreta a Phil Myman en la serie.
Malcolm Barrett interpreta a Lem Hewitt en la serie.
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