Dr. Hidaka
Nobuyo Sakurai
Kyoke Yamamoto
Mr. Sakurai
Old Farmer
Old Farmer's Wife
Professor Murase
Self-Defense Force Commander
Eskimo Chief
Minister of Defense
Maru Captain
US Arctic Base Commander
Mr. Ueda
Soviet Representative
Officer
Toshio's Uncle
News Announcer
Atomic Energy Research Institute Chief
Toshio Sakurai
Atomic Energy Research Institute Staff A
Atomic Energy Research Institute Staff B
Police Station Chief
Atomic Energy Research Institute Staff C
Acting
