- Corey Sevier
- Â Hart Greyson 17 episodes, 2002-2003
- Curtis Harrison
- Â Zeus 13 episodes, 2003
- Melissa Marie Elias
- Â AnchorWoman 13 episodes, 2002
- Michal Grajewski
- Â Rat 10 episodes, 2002-2003
- Hilary Carroll
- Â Abby 10 episodes, 2002-2003
- Neil Denis
- Â Robby Drake 8 episodes, 2002-2003
- Tatiana Maslany
- Â Rome Greyson 7 episodes, 2002-2003
- Jessica Lucas
- Â Jakki Kaan 7 episodes, 2002-2003
- Elyse Levesque
- Â Dr. Maxine Rich / ... 6 episodes, 2002-2003
- Skye J.O. Kneller
- Â Quixote 6 episodes, 2002-2003
- Matthew J. Kok
- Â Solemn Boy 6 episodes, 2002-2003
- Caley Gibson
- Â Friendly Monitor / ... 6 episodes, 2002-2003
- Adam Smoluk
- Â Scotch / ... 6 episodes, 2002-2003
- Jenny Pudavick
- Â Dr. Green / ... 5 episodes, 2002-2003
- Kjartan Hewitt
- Â Dr. Manno Susik 3 episodes, 2003
- Jeffery Sutton
- Â Sing 3 episodes, 2003
- Kalyn Bomback
- Â VID Spokesperson / ... 3 episodes, 2002-2003
- Ryan Buffington
- Â Davies / ... 3 episodes, 2002-2003
- Kristopher Turner
- Â Chief Trainer 3 episodes, 2002
- Craig Haas
- Â Byrd Macadorey 3 episodes, 2002
- BJ Verot
- Â MedSec Monitor / ... 3 episodes, 2002
- Paige Bannister
- Â Molly 3 episodes, 2002
- Jennifer Villaverde
- Â Dr. Shin / ... 3 episodes, 2002
- David Turnbull
- Â Cooper 3 episodes, 2003
- Illya Torres-Garner
- Â Dax Winter 3 episodes, 2003
- Darcy Fehr
- Â Charles Louden / ... 2 episodes, 2003
- Peter Mooney
- Â Stern 2 episodes, 2002-2003
- Michael Lyons
- Â Monitor #1 / ... 2 episodes, 2002
- Amy Couldwell
- Â Nexes HR Recoption 2 episodes, 2002
- Seun Olagunju
- Â Trader 2 episodes, 2002
- Alex Leithead
- Â Briggs 2 episodes, 2002
- Melissa Campbell
- Â Anchor Person / ... 2 episodes, 2002
- Megan Basaraba
- Â Dr. Cliche 2 episodes, 2002
- Allison Perlov
- Â Pen 2 episodes, 2002
- Quyen Raceles
- Â Judge Prosecutor 2 episodes, 2002
- David Robertson
- Â Uncle Jake Greyson 2 episodes, 2002
- R. Morgan Slade
- Â Goran 2 episodes, 2003
- Katherine Foster
- Â Ms. Hern 1 episode, 2003
- Amirah Sequeira
- Â Dr. Zin 1 episode, 2003
- David Johnson
- Â Researcher 1 episode, 2003
- James Clayton
- Â Transport Clerk 1 episode, 2003
- David Huynh
- Â Med Sec Hall Monitor 1 episode, 2002
- Leigh Enns
- Â Phoenix Receptiomist 1 episode, 2002
- David Gillies
- Â Worried Man in Cell 1 episode, 2002
- Jeff Wahl
- Â Border Guard #1 1 episode, 2002
- Ann Wu-Lai Parry
- Â Monitor 2002 1 episode, 2002
- Jeremy Koz
- Â Hospice Attendant 1 episode, 2002
- Eric Blais
- Â Mr. Tate 1 episode, 2002
- Wesley Cade
- Â Chemist 1 episode, 2002
- Lyle Morris
- Â Young Uncle Jake 1 episode, 2002
- Jill Gallant
- Â Medic 1 episode, 2002
- Jason Glisser
- Â Med. Sec. Monitor 1 episode, 2002
- Nancy Chappell
- Â Obstetrics Professor 1 episode, 2002
- Clayton Godson
- Â Stern's Assistant 1 episode, 2002
- Linsday Carroll
- Â Operating Room Nurse 1 episode, 2002
- Leane Pearson
- Â Young Girl in Cell 1 episode, 2002
- Beau Sweatman
- Â Charon 1 episode, 2002
- Laina Hughes
- Â Monitor #2 1 episode, 2002
- Ryan DeLong
- Â Monitor #1 1 episode, 2003
- Matthew Stefanson
- Â Chicken Eater 1 episode, 2003
- Terry Ray
- Â Liason Officer 1 episode, 2003
- Honoure McIlwain-Collard
- Â Monitor 1 episode, 2003
- Richard Hurst
- Â Victor 1 episode, 2003
- Scott Blair
- Â Burly Monitor 1 episode, 2003
- Veronica Ternopolski
- Â Transport Monitor 1 episode, 2003
- Phoenix Stafford
- Â Quixote #2 1 episode, 2003
- Landon McCormick
- Â Monitor 1 episode, 2003
- Gohhan Ozturk
- Â Monitor #1 1 episode, 2003
- Brittany Scobie
- Â Faydra (2002-2003) unknown episodes
- Melissa Dionisio
- Â Secretary (uncredited) 1 episode, 2002