Casting
Frank Mullen
Dr. Paul Stewart / sailor (voices)
Barbara Laney
Akemi Togawa / nurse (voices)
Hal Archer
Dr. Yuzo Mamiya / air traffic controller / JSDF soldiers / diver (voices)
Nick Kendall
Major General Hashimoto / Professor Kita (voices)
Warren Rooke
Lt. Col. Kazama / reporter / radio announcer (voices)
Ralph Pixton
Hirai / JSDF staff officer / JSDF radio announcer / radio announcer / JSDF soldier (voices)
Barry Haigh
Chief Izumida / JSDF officer / reporter (voices)