演职人员
Dr. David Conway
William Leslie
Laura 'Hutch' Hutchinson
Kathryn Grant
Dr. Ellis Morton
Tristram Coffin
Gov. Chaney
Raymond Greenleaf
Ranger Kirk
Paul Savage
Ranger Brown
Fred Coby
Sheriff Quinn
Frank J. Scannell
Gen. Bortes
Charles Evans
General's Aide
Marshall Reed
Chief Rescue Worker
Terry Frost
Military Policeman (uncredited)
David Armstrong