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