千秋実
Kobayashi (as Mindru Chiaki)
恩田清二郎
Commander (as Serjiro Onda)
山田巳之助
Chief of Civil Defense (uncredited)
大友伸
Convict Leader (uncredited)
Keye Luke
Tsukioka / Policeman (voice) (uncredited)
Aya Oyama
Hidemi (voice) (uncredited)
Marvin Miller
Kobayashi / Dr. Yamane / Narrator (voice) (uncredited)
Paul Frees
Commander / Father / Convict (voice) (uncredited)
George Takei
Ikeda / Osaka SDF Dispatcher (voice) (uncredited)
Jane Chang
Radio Operator (voice) (uncredited)
James Yagi
Osaka SDF Captain (voice) (uncredited)
