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)