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