Mon avis
Distribution
- William LeslieDr. David Conway
- Kathryn GrantLaura 'Hutch' Hutchinson
- Tristram CoffinDr. Ellis Morton
- Raymond GreenleafGov. Chaney
- Paul SavageRanger Kirk
- Fred CobyRanger Brown
- Frank J. ScannellSheriff Quinn
- Charles EvansGen. Bortes
- Marshall ReedGeneral's Aide
- Terry FrostChief Rescue Worker
- David ArmstrongMilitary Policeman (uncredited)
