- Richard McMillan
- Dr. Walker
- Roger Periard
- McNally
- Layton Morrison
- Bodyguard
- Loren Peterson
- Bodyguard
- Burt Reynolds
- Mentor
- Matt Battaglia
- Luc Devreaux / GR44
- Chandra West
- Veronica
- Juan Chioran
- Charles Clifton
- Claudette Roche
- Grace / GR83
- John F.S. Laing
- Martin Daniels
- Dwayne McLean
- Drunk CEO
- Jovanni Sy
- Max
- Lloyd Adams
- Hugo / GR84
- Vince Corazza
- Lowell / GR85 (as Vincent Corazza)
- Darren Marsman
- Head Chef
- David Blacker
- Cop
- Gerry Mendicino
- Chief Thorpe
- Dan Duran
- Freddie Smith
- Adrian Churchill
- Busboy
- Kevin Rushton
- Martinez / GR81 (as Kevin Ruston)
- Desmond Campbell
- Cooper / GR82
- James Kee
- Jasper
- Carla Collins
- Anchorwoman
- Aron Tager
- John Devreaux
- Barbara Gordon
- Danielle Devreaux
- Thomas Hauff
- General Clancy / GR86
- Nickolas Swan
- GR87 6 Yrs Old
- Matt Birman
- Med Tech
- John Nelles
- Counter Man
- John Stoneham Sr.
- Sheriff
- Brock Clermont
- GR87 13 Yrs Old
- Ben Brooks
- Station Wagon Driver
- Martin Roach
- Orderly
- Dana Ishiura
- Female Nurses Aid
- Philip Williams
- Scully
- Taran Ashe
- Head Nurse
- Jack Duffy
- Dr. Gregor
- Mary Ann Stevens
- Nurse #1
- Danny Lima
- File Pusher
- Leigh Bianco
- Nurse #2
- Moris Santia
- Wheelchair Vet
- Jeff Wincott
- Sgt. Eric Devreaux / GR87
- Dan Gallagher
- Sorry Passerby
- John Stoneham Jr.
- Air Force Pilot
- Steven Allerick
- Air Traffic Controller
- Peter Szkoda
- Air Force Sentry
- Errol Gee
- Air Force Sentry
- Bryan Renfro
- Air Force Sentry
- Robert Racki
- Air Force Sentry
- Eric Bryson
- Peterson / GR80 (voice) (uncredited)
- Gary Busey
- Otto Mazur