- Nichole Galicia - Kindzi
- Anna Hopkins - Jessica "Berlin" Rainer
- James Murray - Niles Pottinger
- Peter MacNeill - Garret Clancy
- Dewshane Williams - Tommy LaSalle
- Trenna Keating - Doc Yewll
- Justin Rain - Quentin McCawley
- Fionnula Flanagan - Nicky
- Noah Dalton Danby - Sukar
- Dion Johnstone - Nizar
- Ish Morris - Rathus
- Brittany Allen - Tirra
- Robin Dunne - Miko
- Ben Cotton - Daigo
- Jane McLean - Olfin Tennety
- Gale Harold - Connor Lang
- Rob Stewart - Eddie Braddock
- Daniel Kash - Pol Madis
- Mika Collins - Kazha
- Brian J. Smith - Commander Gordon McClintock
- Monica Parker - Bailey
- Marianthi Evans - Gail
- Kyle Mac - Kupack Tarr
- Demore Barnes - Dos
- Kristina Pesic - Deirdre Lamb
- Mishka Thébaud - Sergeant Goldberg
- Barry Flatman - Colonel Galen Marsh
- Wayne Curnew - McCawley Miner #5
- Gilles Savard - Lambert
- Perry Mucci - Ozin
- Jane Sowerby - Mrs. Kurr
- Dominic Cuzzocrea - Shigustak Kurr
- Kaniehtiio Horn - Rynn
- David Boyce - Lead Scientist
- Edward A. Queffelec - Echelon Sergeant
- Matthew Lemche - 'Black' Jonah Keller
- Darryl Flatman - E-Rep Guard
- Bridget Graham - Castithan Singer #2
- Laura Mae Nason - Castithan Singer #1
- Jon Cor - Lamu
- Brendan McCarthy - Hunter Bell
- Andrew Scorer - Elder Male Irathient
- Blair Johannes - Miner
- Carl Bauer - Rupert
- Michael Dyson - Skevur
- Marie V. Cruz - Female Irathient Elder
- Marie V. Cruz - Elder Irathient
- Jasmine Chen - Studious Girl
- Ali Adatia - Store Owner's Husband
- Tommy Chang - Store Owner
- Don Gough - Hot Shtako
- Phillip MacKenzie - Heath
- Steven McCarthy - Mr. Birch
- Zarrin Darnell-Martin - E-Rep Officer
- Joel Labelle - Lash Dolworthy
- Andrew Musselman - Sy Preston
- Steve Lund - Ziggy
- Milton Barnes - Kaspar
- Carson Durven - Tellen
- Robert Mauriell - Torog
- Jonathan Seinen - Yeng
- Aurora Browne - Angry Woman
- Severn Thompson - Mother
- Ava Preston - Young Kenya
- Lucy Earle - Young Amanda
- Romy Weltman - Young Rynn
- Tomas Chovanec - Julluh Grisu
- Glen Cross - Boyd Bowen
- Darren McGuire - Dalton Taggart
- Rob Archer - Ulysses
- Rob Archer - BioMan
- Rob Archer - BioMan / Ulysses
- Ric Garcia - Deputy Sheriff
- Robert Clarke - Elah Bandik
- Douglas Nyback - Ben
- Julian Robino - Merrin
- Cassidy Marlene Jaggard - Nolan's Sister
- Jessica Embro - Mrs. Nolan
- John David Edwards - Mr. Nolan
- Deklon Roberts - Sentry
- Marty Moreau - Paul
- Tim Post - Fight Promoter
- Katie Douglas - Young Irisa / Little Girl
- Jake Manley - Young Josh Nolan
- Drew Haytaoglu - 12-Year-Old Josh
- Spencer MacPherson - Ranikar
- Miguel Anthony - Warder Gilson
- Tony Nappo - Indur
- Tony Nappo - Father
- Tony Nappo - Sgt. Frei Poole
- Percy Hynes White - Monguno Ksaruko
- Mayko Nguyen - Volubela
- Mayko Nguyen - Volubela (uncredited)
- Kelly McCormack - Jalina
- Wendy Crewson - Silora Voske
- Billy MacLellan - Lt. Bebe
- Billy MacLellan - Lt. Bebe / Beckman
- Wesley French - Luke McCawley
- Clint Butler - V.C. Soldier
- Raymond Ablack - Samir Pandey
- Lisa Parasyn
- Michael Nankin
- Daniel Colman
- Bear McCreary
Peter MacNeill interpreta a Garret Clancy en la serie.
Grant Bowler hace el papel de Joshua Nolan.
Julie Benz interpreta a Amanda Rosewater en la serie.
Stephanie Leonidas interpreta a Irisa en la serie.
Tony Curran hace el papel de Datak Tarr.
Jaime Murray interpreta a Stahma Tarr en la serie.
Graham Greene interpreta a Rafe McCawley en la serie.
Jesse Rath interpreta a Alak Tarr en la serie.
Nicole Muñoz interpreta a Christie McCawley en la serie.
Nichole Galicia interpreta a Kindzi en la serie.
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