- Campbell Lane - Kuchak
- Jim Byrnes - Tony Walter
- Dustin Nguyen - Duk Chin
- Spencer Rochfort - Gary
- Kaj-Erik Eriksen - Stephen Walker
- Jay Brazeau - Clinton Mack
- Garry Chalk - Murdock
- Winston Rekert - Doug Field
- Moira Walley-Beckett - Marti
- Marie Stillin - Allison
- Anna Hagan - Dr. Kelsay
- Duncan Fraser - Carlson
- Bill Buck - Roger Gaylord
- Sheila Moore - Grace Dunbar
- Barbara Russell - Marta Larsen
- Jerry Wasserman - Redd
- Bruce Greenwood - Sam Hayes
- Deborah Wakeham - Joyce Carter
- Jorge Montesi - Ortega
- Margo Kane - Dr. Maria Lopez
- Alvin Sanders - Searchmaster
- Lynda Boyd - Nancy Keller
- Yannick Bisson - Todd
- Tom Skerritt - Don Bared
- Colleen Winton - Karen Rogers
- Kate Lynch - Dr. Woodward
- Deanna Milligan - Emma
- William B. Davis - Norris
- Jason Priestley - Derek
- Bill Dow - Eddie
- David Nykl - Peter
- Gordon Pinsent - Pete Bartlett
- Gordon Tootoosis - Warden Bill Bragg
- Thomas Peacocke - Jensen
- James Doohan - Pete
- Beverley Elliott - Janey
- Rebecca Toolan - Dr. Leah Bernson
- Ian Tracey - Jerry Langstrom
- Lochlyn Munro - David Fulman
- Charles Payne - Byron
- Peter Hanlon - Tim Lynch
- Sarah Sawatsky - Jess
- Mia Kirshner - Catherine Walker
- Robyn Simons - Caitlin
- Roseanne Hopkins - Miriam Grey
- Twyla-Dawn Vokins - Karen Prowse
- Emily Perkins - Shannon Darcus
- Jeff Schultz - Gary McCray
- Jeff Schultz - Mark
- Jeff Schultz - Corey
- Michele B. Chan - Dr. Donna Chen
- Ian Black - Farmer Brent
- Scott Anderson - Garth
Tom Skerritt interpreta a Don Bared en la serie.
James Doohan hace el papel de Pete.
Susan Walden hace el papel de J.L. Duval.
Ocean Hellman interpreta a Nicole Roberts en la serie.
Christopher Crabb interpreta a Jonah Roberts en la serie.
Capítulo disponible en las siguientes plataformas:
