9. Bölüm

Diana Scarwid

Elizabeth Halsey

Bruce Harwood

Dr. Norris

Robert Foxworth

President Charles Halsey

Lawrence Dane

General Covington

Jason Gray-Stanford

Airman

Scott McNeil

Astronaut

Ian Tracey

Mr. Tarkman

Claire Riley

News Anchor

Dale Wilson

NORAD General Morehouse

David Bloom

Expert

Ewan 'Sudsy' Clark

Congressman Nelson Braddock

Teryl Rothery

Janet Brevson