- Tanya Allen
- Â Percy Montana 44 episodes, 2000-2004
- Stephen Marcus
- Â Rudolpho deLuna / ... 44 episodes, 2000-2004
- Michael Paré
- Â Dante Montana 25 episodes, 2000-2003
- Murray Melvin
- Â Caravaggio AI 25 episodes, 2000-2003
- Claudette Roche
- Â Lucretia Scott 24 episodes, 2000-2004
- Clive Robertson
- Â Travis Montana 22 episodes, 2003-2004
- Dawn Stern
- Â Callista (Callie) Larkadia 22 episodes, 2003-2004
- Paul Fox
- Â Marcus Fagen 22 episodes, 2003-2004
- Heidi von Palleske
- Â Penny Montana 7 episodes, 2000-2001
- Graham Harley
- Â Caravaggio AI 5 episodes, 2003-2004
- George Harris
- Â Darius Scott 4 episodes, 2000-2001
- Mark Powley
- Â Eccleston 2 episodes, 2000-2001
- Ray Lonnen
- Â Navarre 2 episodes, 2001
- Cavanagh Matmor
- Â Baby Travis Montana 1 episode, 2000-2001
- Geordie Johnson
- Â Tristan Catchpole 3 episodes, 2003-2004
- Howard Antony
- Â Five 2 episodes, 2001
- Ambre Boukebza
- Â Andrea Arquette / ... 2 episodes, 2001
- Marc Duret
- Â Eric 2 episodes, 2000-2001
- Kai King
- Â Billy Tsunami 2 episodes, 2000
- Phillipe Simon
- Â Etienne 2 episodes, 2000
- James Gaddas
- Â Senaca 2 episodes, 2001
- Caroline Hayes
- Â Salomea 2 episodes, 2001
- David Fournier
- Â Travis Montana / ... 2 episodes, 2001
- Angie Hill
- Â Tosca 2 episodes, 2001
- Yves Beneyton
- Â Dr. Devon 2 episodes, 2000-2001
- Leon Herbert
- Â Brother #13 / ... 1 episode, 2000-2001
- Tim Dantay
- Â Harman 1 episode, 2001
- Matthew Brenher
- Â Marco 1 episode, 2001
- Michael Halsey
- Â Novak 1 episode, 2000-2001
- James Coombes
- Â Ike 1 episode, 2001
- Sam Loggin
- Â Electra 1 episode, 2001
- Ron Donachie
- Â McDuff 1 episode, 2000-2001
- Marcelle Duprey
- Â Marina 1 episode, 2000-2001
- Natasha Marco
- Â Dr. Gardiner 1 episode, 2000-2001
- Charlotte Weston
- Â Pacquette 1 episode, 2000-2001
- Matthew Crabbe
- Â Ryan 1 episode, 2000-2001
- Helen Latham
- Â Lily 1 episode, 2000-2001
- Nikki Grosse
- Â Carmel 1 episode, 2000-2001
- Anette Shaffer
- Â Lapis 1 episode, 2000-2001
- Barbara Longaphie
- Â Luc's Mother 1 episode, 2000-2001
- Dan Willmott
- Â Maintenance Guy / ... 2 episodes, 2003-2004
- Cherilee Taylor
- Â Aliana Niran / ... 2 episodes, 2003
- David Ingram
- Â Hagan / ... 2 episodes, 2004
- Rachel Sanders
- Â Dr. Vienna Xeylon 2 episodes, 2004
- Vincent Winterhalter
- Â Pretrakist 1 episode, 2000
- Noémie Kocher
- Â Belle 1 episode, 2000
- Mark Pegg
- Â Alistair McNaughton 1 episode, 2000
- Laura Landauer
- Â Dr. Nasreen 1 episode, 2000
- Pat Roach
- Â Goran 1 episode, 2001
- Tracy-Ann Oberman
- Â Zelda 1 episode, 2001
- Gary Cady
- Â Stephen Hamilton 1 episode, 2001
- Richard Zeppieri
- Â Julian 1 episode, 2003
- Gideon Turner
- Â Jeremy McNaughton 1 episode, 2000
- Ben Waters
- Â Jacob 1 episode, 2000
- Jasbir Mann
- Â Ajit 1 episode, 2000
- Andrew Bicknell
- Â Charles 1 episode, 2001
- Tina Malone
- Â Rex 1 episode, 2001
- Calum MacPherson
- Â Carl 1 episode, 2001
- Paul Mari
- Â Max 1 episode, 2001
- Carla Collins
- Â Matilda 1 episode, 2003
- Nazneen Contractor
- Â Ire 1 episode, 2000
- Simon Fenton
- Â Billy Ray 1 episode, 2000
- Peter Pacey
- Â Dr. McIntyre 1 episode, 2000
- Paul F. McCarthy
- Â Federal Agent #1 1 episode, 2000
- James Smith
- Â Colonel E.W. Bramwell 1 episode, 2001
- John Vernon
- Â Policeman 1 episode, 2001
- Campbell Morrison
- Â Arielo 1 episode, 2001
- Anna Keenan
- Â Ayla 1 episode, 2001
- Matthew Wade
- Â Worker 1 episode, 2001
- Tim Ward
- Â Dr. Goddard 1 episode, 2001
- Boris Linzender
- Â Thug 1 episode, 2001
- Neil Dickson
- Â Major Wayne Bartlett 1 episode, 2000
- Barry Minshull
- Â Follower #1 1 episode, 2000
- Kevin Ryan
- Â Guard #1 1 episode, 2000
- Joseph Clark
- Â Brad 1 episode, 2000
- Timothy McNabb
- Â Chorsky 1 episode, 2000
- Robert A. Corbett
- Â Federal Agent #2 1 episode, 2000
- Andrew Forbes
- Â Commander Cline 1 episode, 2001
- Tony Marra
- Â Raider Leader 1 episode, 2001
- Cathy Keenan
- Â Cordula 1 episode, 2001
- Chris Ragonetti
- Â Raider #1 1 episode, 2001
- Paul Spike Lees
- Â Prison Controller 1 episode, 2001
- Lindsey Lomax
- Â Provokhova 1 episode, 2001
- John Muggleton
- Â Maks 1 episode, 2001
- Marqus Bobesich
- Â Tremayne 1 episode, 2003
- Debiiey Dunn
- Â Qunita 1 episode, 2000
- Barry Hatt
- Â Rusty 1 episode, 2000
- Marc Belliveau
- Â Telus 1 episode, 2000
- Darrell Mesheau
- Â Captain 1 episode, 2000
- R. Martin Klein
- Â Kouymdjan John 1 episode, 2001
- Tim Hamaguchi
- Â Agent #1 1 episode, 2001
- Robert Fisher
- Â Manager 1 episode, 2001
- Paul Sadeuvnic
- Â Peter 1 episode, 2001
- Graham Austin
- Â Prisoner 1 episode, 2001
- Jason Shipley-Holmes
- Â Reno7 Controller 1 episode, 2001
- Denis Theriault
- Â Jeb 1 episode, 2000
- David McAlister
- Â Prof. Renfrew 1 episode, 2000
- Cheryl Quiacos
- Â Attractive Woman 1 episode, 2000
- Kenn Hong
- Â Buyer 1 episode, 2000
- J. Michael Boudreault
- Â Zakal 1 episode, 2000
- Robert A. Shorthill
- Â Agent #2 1 episode, 2001
- Lisa Pieterse
- Â Erica 1 episode, 2001
- Astrid Wade
- Â Bank Officer 1 episode, 2001
- David Green
- Â Prisoner #1 1 episode, 2000
- Sheldon Gordon
- Â Raider #1 1 episode, 2000
- Patrick Malakian
- Â Hippolito 1 episode, 2001
- Pierre Huard
- Â Worker #2 1 episode, 2001
- Dean Parsons
- Â Technician 1 episode, 2001
- Jayna Corbett
- Â Joy 1 episode, 2001
- Meredith Vuchnich
- Â Tracey 1 episode, 2000
- Paula Dawson
- Â Cynical Onlooker 1 episode, 2000
- Seth Van Horne
- Â Comando #3 1 episode, 2000
- Ben Hong
- Â Junior Officer 1 episode, 2001
- Andrew Barnes
- Â Paddy 1 episode, 2001
- Michael A. Durley
- Â Comando #4 1 episode, 2000
- David C. Wade
- Â Middle Aged Man 1 1 episode, 2000
- Liam Holleran
- Â Baby Travis (age 3) 1 episode, 2001
- Sean Burgess
- Â Guard #1 1 episode, 2001
- Terry Mortlock
- Â Comando #5 1 episode, 2000
- Richard H. Wade
- Â Middle Aged Man 2 1 episode, 2000
- Martin Landry
- Â Orchard Agent 1 episode, 2001
- Barry MacKinnon
- Â Guard #2 1 episode, 2001
- Max White
- Â Steward 1 episode, 2000
- Rebecca Flewelling
- Â Molly 1 episode, 2001
- Ed Leslie
- Â Dr. Slade 1 episode, 2000
- Lindy Booth
- Â Serena DeLuna 2 episodes, 2003-2004
- Hugh Dillon
- Â Gus 1 episode, 2003
- Danny Webb
- Â Max 1 episode, 2003
- Shawn Roberts
- Â Skinny 1 episode, 2003
- Kris Holden-Ried
- Â Ritson 1 episode, 2003
- Ellen Dubin
- Â Father Abode 1 episode, 2003
- Alan Van Sprang
- Â Jimmi Zavras 1 episode, 2003
- Nigel Bennett
- Â Roan Gerick 1 episode, 2003
- Von Flores
- Â Darnell 1 episode, 2003
- Stephen Moore
- Â Dr. Schofield 1 episode, 2003
- Stephen Bogaert
- Â Alrick Quennell 1 episode, 2003
- Debra McCabe
- Â Vayla 1 episode, 2003
- Maggie Castle
- Â Taryn Orford 1 episode, 2003
- Marie Ward
- Â Cira 1 episode, 2003
- Patricia Zentilli
- Â Mina Zums 1 episode, 2003
- Andrew Woodall
- Â Captain Robert Parker 1 episode, 2003
- Elisa Moolecherry
- Â Nailson 1 episode, 2003
- Dean McKenzie
- Â Soame 1 episode, 2003
- Carli Norris
- Â Jane Doe / ... 1 episode, 2003
- Michael Filipowich
- Â Mishkin 1 episode, 2003
- Jonathan Sagall
- Â Salvatore 1 episode, 2003
- Kathryn Winslow
- Â Captain Dalyat 1 episode, 2003
- Jacqueline Pillon
- Â Gina 1 episode, 2003
- Dan Warry-Smith
- Â Kingman 1 episode, 2003
- Jee-Yun Lee
- Â News Anchor 1 episode, 2003
- Greg Ellwand
- Â Dr. Edward Murchison 1 episode, 2003
- Ron Kennell
- Â Arnot 1 episode, 2003
- Shawn Lawrence
- Â Janus Larkadia 1 episode, 2003
- Jung-Yul Kim
- Â Dakkota 1 episode, 2003
- Hayden Baptiste
- Â Arun 1 episode, 2003
- Alison Burn
- Â Georgia 1 episode, 2003
- Bruce Clayton
- Â Whyndham 1 episode, 2003
- Eric Flower
- Â Boy 1 episode, 2003
- Junior Williams
- Â Redus FledderJohn 1 episode, 2003
- Tracey Ferencz
- Â Jupiter Fed Official 1 episode, 2003
- Jacklyn Francis
- Â Dr. Alora Kir 1 episode, 2003
- Mike Turner
- Â Man #1 1 episode, 2003
- Shanly Trinidad
- Â Nasdeen 1 episode, 2003
- Kerry Dorey
- Â Rodulpho 1 episode, 2003
- Jennifer Foster
- Â Lena Bannen 1 episode, 2003
- Fionnuala Jamison
- Â Mother 1 episode, 2003
- James Arnold
- Â Father 1 episode, 2003
- Wendy Haller
- Â Nora 1 episode, 2003
- Abena Malika
- Â AI Holograph 1 episode, 2003
- Kim Allan
- Â Young Woman 1 episode, 2003
- Paul Robbins
- Â Quigley 1 episode, 2003
- Angelo Tucci
- Â Dr. Daniel Rochaz 1 episode, 2003
- Curt Wu
- Â Scientist 1 episode, 2003
- Michael Sinnott
- Â David 1 episode, 2003
- Simon Williams
- Â Executive Chief Inspector Tibbit 1 episode, 2004
- Sara Stockbridge
- Â Gayna 1 episode, 2004
- Deborah Odell
- Â Kate 1 episode, 2004
- Kai Wiesinger
- Â Andreas Kolsig 1 episode, 2004
- Michèle Duquet
- Â Penny 1 episode, 2004
- Tam Williams
- Â Alex Arroyan 1 episode, 2004
- Carin Moffat
- Â Karina 1 episode, 2004
- Michaela May
- Â Jay Beckers 1 episode, 2004
- John Vine
- Â Vidal Calder 1 episode, 2004
- Nancy Palk
- Â Judge Shaylon 1 episode, 2004
- Jeff Seymour
- Â Morgan Rendall 1 episode, 2004
- Marc Danbury
- Â Jeffers 1 episode, 2004
- Neil Davison
- Â Thug 1 episode, 2004
- Kerry Segal
- Â Jophie Henrig 1 episode, 2004
- Jake Simons
- Â Orchard Buyer 1 episode, 2004
- Victoria Adilman
- Â Officer Eva Halperin 1 episode, 2004
- Maggie Vaughan
- Â Alien Head of State (uncredited) 1 episode, 2000
- Tony Curtis Blondell
- Â Max's bodyguard (uncredited) 1 episode, 2001
- Greg Bryk
- Â Dakota clan minion (uncredited) 1 episode, 2003