- Tim Dunigan
- Â Captain Jonathan Power 22 episodes, 1987-1988
- Peter MacNeill
- Â Major Matthew 'Hawk' Masterson 22 episodes, 1987-1988
- Sven-Ole Thorsen
- Â Lieutenant Michael 'Tank' Ellis 22 episodes, 1987-1988
- Maurice Dean Wint
- Â Sergeant Robert 'Scout' Baker 22 episodes, 1987-1988
- Jessica Steen
- Â Corporal Jennifer 'Pilot' Chase 22 episodes, 1987-1988
- David Hemblen
- Â Lord Dread / ... 22 episodes, 1987-1988
- Deryck Hazel
- Â Soaron 16 episodes, 1987-1988
- Tedd Dillon
- Â Overmind 14 episodes, 1987-1988
- John S. Davies
- Â Blastarr 12 episodes, 1987-1988
- Bruce Gray
- Â Mentor / ... 11 episodes, 1987-1988
- Don Francks
- Â Lacchi 6 episodes, 1987-1988
- Todd Postlethwaite
- Â Overunit Gerber 3 episodes, 1988
- Paul Humphrey
- Â Locke 3 episodes, 1988
- Lorne Cossette
- Â Colonel Six (Cypher) / ... 3 episodes, 1988
- Dylan Neal
- Â Jon Power 2 episodes, 1988
- Kelly Bricker
- Â Overunit Wilson 2 episodes, 1988
- David James Elliott
- Â Jason 1 episode, 1987
- Gordon Michael Woolvett
- Â Mitch 1 episode, 1987
- Kate Trotter
- Â Vi 2 episodes, 1987-1988
- Barry Flatman
- Â Andy Jackson 1 episode, 1987
- Laurie Paton
- Â Mindsinger 1 episode, 1987
- Michael J. Reynolds
- Â Briggs 1 episode, 1987-1988
- Graeme Campbell
- Â Miles Williamson 1 episode, 1987
- Ann-Marie MacDonald
- Â Athena 1 episode, 1987
- Patricia Collins
- Â Jessica Morgan 1 episode, 1987-1988
- Peter Snider
- Â Commander 1 episode, 1987
- Charles Seixas
- Â Kasko 1 episode, 1987
- Laurie Holden
- Â Erin 1 episode, 1988
- Anthony Dean Rubes
- Â Landry 1 episode, 1988
- Rafe Macpherson
- Â Overunit 1 episode, 1988
- Raymond O'Neill
- Â Elzer Polarski 1 episode, 1988
- Hans Engel
- Â Randall 1 episode, 1988
- Graham Greene
- Â Cherokee 1 episode, 1987
- Tonya Williams
- Â Chelsea Chandler 1 episode, 1987
- Ric Sarabia
- Â Rivvik 1 episode, 1987
- Brock Johnson
- Â Zone Boy 1 episode, 1987
- Wayne Best
- Â Commander Lorek 1 episode, 1987
- John Dee
- Â Zig 1 episode, 1987
- Hardee T. Lineham
- Â Masters 1 episode, 1987
- Susan Conway
- Â The Woman 1 episode, 1987
- Gwynyth Walsh
- Â Christine Larrabee 1 episode, 1988
- William B. Davis
- Â Arvin 1 episode, 1988
- Anna Ferguson
- Â Doctor 1 episode, 1988
- Vincent Orle
- Â Commander 1 episode, 1988
- Jane Luk
- Â Keiko 1 episode, 1987
- Ted Simonett
- Â Jim Mitchell 1 episode, 1987
- Gerry Pearson
- Â Arthur 1 episode, 1987
- Anne Anglin
- Â Mother 1 episode, 1987
- Brent Stait
- Â John 1 episode, 1988
- Jonathan Wilson
- Â Soldier Jack 1 episode, 1988
- Jan Filips
- Â Clegg 1 episode, 1988
- Victor Ertmanis
- Â Interrogator 1 episode, 1987
- J.R. Zimmerman
- Â Henry the Elder 1 episode, 1987
- Michael Woods
- Â Overunit Webber 1 episode, 1987
- Steve Whistance-Smith
- Â Scavenger No.1 1 episode, 1987
- Robert O'Ree
- Â Adam 1 episode, 1987
- Ray Paisley
- Â Hamilton Price 1 episode, 1987
- Tom Diamond
- Â Man 1 episode, 1987
- David Gardner
- Â Gaelan 1 episode, 1988
- Tom Quinn
- Â Overunit 1 episode, 1988
- Nick Nichols
- Â Gundar 1 episode, 1988
- Dwayne McLean
- Â Man 1 episode, 1987
- Tim Koetting
- Â Soldier 1 episode, 1987
- Bruce Gary
- Â Mentor 1 episode, 1987
- Laing Maybee
- Â Overunit 1 episode, 1988
- Colin O'Meara
- Â Fal 1 episode, 1987
- Rich Parker
- Â Martin 1 episode, 1988
- Kerry Rossall
- Â Jack 1 episode, 1988
- Brad Crandall
- Â Opening narration (uncredited) 22 episodes, 1987-1988
- Neo Edmund
- Â Wastelander Boy (uncredited) 1 episode, 1987
- Stephen Strachan
- Â Dread Trooper (uncredited) 1 episode, 1987
- Edd Scorpio
- Â Medic / ... (uncredited) 1 episode, 1988