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