Diễn viên
Sabrina Scharf
Anne Novak
Lonny Chapman
Albert Treadway
Sheldon Allman
Dr. Abrams
Jerry Douglas
Gen. Rollins
Marcy Lafferty
Scientist Wearing Gas Mask
John Vernon
David Hunter / Praetorius
Fritz Weaver
Cirrak
Peggy Rea
Helen Shaw's Friend
Jason Wingreen
Mr. Lubbock
Paul Comi
Wilson (uncredited)
Steve Ihnat
Alain Praetorius
Woodrow Parfrey
Tyson
Lawrence Cook
Donnelly
Bill Erwin
Sam Pickering
Edward Binns
Owen Larkdale
Ramon Bieri
Mishani
John Schuck
McDaniel
Barbara Rhoades
Real Estate Woman
Roger Bowen
Alfred Blount
Ed Flanders
Dr. Miles