character - Joram Barnard

character - Dr Jim Hartwell

character - Witherspoon

character - Gen. Stafford

character - Agent Johnson

character - John Campo

character - Prof. John Kenyon

character - Air Controller

character - Joe Hendersen

character - Colonel Duncan Grey

character - Matie Olivier

character - Narrator

character - Dr. Franz Von Leinsdorff

character - Prof. Jonathan Carpenter

character - Smollet

character - Dr. Ben Schaeffer

character - Narrator

character - Flint (voice) (uncredited)

character - Michael Jameson

character - Will Maddox

character - Tom Sheppard

character - Ed Sloane