Noah Wyle
Harry Wilson (13 eps)
Gina Bellman
Sophie Devereaux (13 eps)
Christian Kane
Eliot Spencer (13 eps)
Beth Riesgraf
Parker (13 eps)
Aleyse Shannon
Breanna Casey (13 eps)
Aldis Hodge
Alec Hardison (5 eps)
Damian O'Hare
Arthur Wilde (3 eps)
Max Baker
Billy the Gent (2 eps)
Anand Desai-Barochia
Dr. Phineas Dunbar (2 eps)
Alexandra Park
Astrid Pickford (2 eps)
Caroline Avery Granger
Mirabelle (2 eps)
Eric Tiede
Liam (2 eps)
Morgan Lindholm
Sarah Nichols (1 eps)
Steve Coulter
Ralphie Roy (1 eps)
Emily Hall
Jenna (1 eps)
Dikran Tulaine
Pietr Volkov (1 eps)
Ili Ray
Nadia Volkov (1 eps)
Chase Steven Anderson
Tohd (1 eps)
Jackie Goldston
DeDe Wilkins (1 eps)
Joshua Bitton
Clyde Hammond (1 eps)
Pierson Fodé
Kyle Fury (1 eps)
Ivan Mok
Tam (1 eps)
Si Chen
Jane (1 eps)
James Preston Rogers
Brock (1 eps)
Kue Lawrence
Mason (1 eps)
Jim Klock
Justin Richfield (1 eps)
Jessica Blackmore
Kimberlee Freeman (1 eps)
David E. Collier
Nick (1 eps)
Melissa Lehman
Ally (1 eps)
Jonathan Medina
Paul Orozco (1 eps)
Eric Nenninger
Austin Kurlander (1 eps)
Jay Patterson
General Lionel Frick (1 eps)
Keith David
Billy Spencer (1 eps)
Doug Savant
AG James Hodgins (1 eps)
Idella Johnson
Jessica DeWitt (1 eps)
Chris Ufland
Peter Marsh (1 eps)
Garrett Coffey
Luke Stewart (1 eps)
Kate Eastman
Paige Stewart (1 eps)
Alanna Masterson
Kira Simone (1 eps)
Melanie Hutsell
Renee Fontenot (1 eps)
Xingu Del Rosario
Romero Delgado (1 eps)
Derek Theler
Billy McShane (1 eps)
Eleanor Threatt
Judge Jenkins (1 eps)
Melanie Haynes
Maureen Chesterton Mills (1 eps)
Christopher Gorham
Richard Prosper (1 eps)
Virginia Williams
Debra Prosper (1 eps)
Chelsea Edmundson
Joanne (1 eps)
Caroline Duncan
Cindy (1 eps)
Denitra Isler
Janice (1 eps)
Hash Patel
Ravi Patel (1 eps)
Rob Benedict
Dr. Daniel Gray (1 eps)
Walter Coppage
Dean Denziger (1 eps)
Erin Ruth Walker
Emma Camore (1 eps)
Adam Stephenson
Jeff Leland (1 eps)
Jose Miguel Vasquez
Darren Nash (1 eps)
Micah Shane Ballinger
Nash's Assistant (1 eps)
Cynthia Jean Hajj
Nash's Assistant #2 (1 eps)
Jeffrey Vincent Parise
Hank Hogan (1 eps)
Julian Silver
Keith (1 eps)
Bonnie Gayle
April Tom (1 eps)
Gail Rastorfer
Carol Barsten (1 eps)
Nick Boraine
Commander Davies (1 eps)
Ralph Brown
Ramsey (1 eps)