Peter Weller
Colonel Hendricksson
Jennifer Rubin
Jessica
Roy Dupuis
Becker
Andrew Lauer
Ace Jefferson
Liliana Głąbczyńska
Landowska
Michael Caloz
David
Jason Cavalier
Leone
Ron White
Chuck Elbarak
Leni Parker
Cpl. McDonald
Sylvain Massé
N.E.B. Soldier
Bruce Boa
Secretary Green
Tom Berry
Technician
Henry Ramer
Screamers Crawl Narration (voice)
Charles Edwin Powell
Ross