as Smollet

as Prof. Jonathan Carpenter

as Joe Hendersen

as Dr. Franz Von Leinsdorff

as John Campo

as Joram Barnard

as Prof. John Kenyon

as Dr Jim Hartwell

as Narrator

as Flint (voice) (uncredited)

as Witherspoon

as Narrator

as Tom Sheppard

as Air Controller

as Agent Johnson

as Gen. Stafford

as Dr. Ben Schaeffer

as Ed Sloane

as Matie Olivier

as Will Maddox

as Michael Jameson

as Colonel Duncan Grey

as Screenplay

as Writer

as Director

as Writer

as Director

as Writer