Steve Martin
Ogata
Dr. Serizawa
Dr. Yamane
Emiko Yamane
Steve Martin (voice)
Emiko Yamane (voice)
Ogata (voice)
George Lawrence (voice) (as Vittorio Kramer)
Security Officer Tomo Iwanaga (voice)
Dr. Serizawa (voice) (uncredited)
Dr. Yamane (voice) (uncredited)
Hagiwara (uncredited)
Dr. Tabata (uncredited)
Seiji (uncredited)
Shinkichi (uncredited)
Dr. Tabata's Assistant (uncredited)
President of Company (uncredited)
Security Officer Tomo Iwanaga (uncredited)
George Lawrence (uncredited)
The Old Fisherman (uncredited)
Man on Boat (uncredited)
Godzilla (uncredited)
