| Name (Sort) | Character (Sort) | |
| •Enrico Colantoni | played | Sgt. Gregory Parker (71Eps.) |
| •Hugh Dillon | played | Ed Lane (71Eps.) |
| •Amy Jo Johnson | played | Julianna "Jules" Callaghan (68Eps.) |
| •David Paetkau | played | Sam Braddock (71Eps.) |
| •Michael Cram | played | Kevin 'Wordy' Wordsworth (45Eps.) |
| •Sergio Di Zio | played | Michelangelo 'Spike' Scarlatti (71Eps.) |
| •Mark Taylor (1) | played | Lou "Lewis" Young (Season 1 - Season 2 episode 14) (22Eps.) |
| •Cle Bennett | played | Rafik “Raf” Rousseau (14Eps.) |
| •Ruth Marshall | played | Dr. Amanda Luria (Season 1) (11Eps.) |
| •Wendy Adeliyi | played | Leah Kerns (as Olunike Adeliyi) (11Eps.) |