as Rear Adm. Ryunosuke Kusaka
as Monma's pupil (uncredited)
as Dr. Tomizu
as Tamao Numata
as Guest
as Admiral Yamamoto
as Dietman Kenzo Tamiya
as Designer
as Ebihara
as Matsui
as 由井正雪
as Corporal Kumazawa
as Sankichi Murata
as Yuten Yamada
as Nogami
as 高島達之助
as 山村耕一
