Dr. Michael Ranger
Dr. Jane Whitlow
Secretary Brian Lee
Jack Hillcroft
Beverly Hillcroft
Karen Ranger
Officer Tim Davis
President Duncan (as Al Goulem)
Vice-President Alice Crane
William Danville (as Francis Xavier McCarthy)
Sam Jones
Bunker Tech
Geoffrey
Peter Simpson
HFD Soldier #1 (as Daniel Rindress Kay)
Training Officer
HFD Tech Rebecca
Presidential Aide
Hudson
Military Doctor
Astronaut
Criminal (as Maxime Laferriere)
Little Girl
Edna
Dead Pilot (uncredited)