Captain Munekata
Geologist Jiro Tate
Seajacker Munk
Boatswain Nishizawa
Reporter Tatsuya Iwado
Doctor Hatsuyama
Seajacker Simba
Seajacker Zamba
Seajacker Kifal
Chief Steward Terada
Commander of Defense Katsuragi
T.V. Director Fukami
Chief Engineer Kosai
Elliott Rhoades
Patricia Haber
Seajacker Simba (voice)
Dr. Hatsuyama (voice)