On screen
Cast
24 credited performers
Raymond Burr
Steve Martin
Akira Takarada
Ogata
Akihiko Hirata
Dr. Serizawa
Takashi Shimura
Dr. Yamane
Momoko Kôchi
Emiko Yamane
Emilio Cigoli
Steve Martin (voice)
Rita Savagnone
Emiko Yamane (voice)
Giuseppe Rinaldi
Ogata (voice)
Artwork unavailable
Vittorio Cramer
George Lawrence (voice) (as Vittorio Kramer)
Artwork unavailable
Pino Locchi
Security Officer Tomo Iwanaga (voice)
Gianfranco Bellini
Dr. Serizawa (voice) (uncredited)
Artwork unavailable
Bruno Persa
Dr. Yamane (voice) (uncredited)
Sachio Sakai
Hagiwara (uncredited)
Fuyuki Murakami
Dr. Tabata (uncredited)
Ren Yamamoto
Seiji (uncredited)
Artwork unavailable
Toyoaki Suzuki
Shinkichi (uncredited)
Tadashi Okabe
Dr. Tabata's Assistant (uncredited)
Toranosuke Ogawa
President of Company (uncredited)
Frank Iwanaga
Security Officer Tomo Iwanaga (uncredited)
Mikel Conrad
George Lawrence (uncredited)
Kokuten Kōdō
The Old Fisherman (uncredited)
Kenji Sahara
Man on Boat (uncredited)
Haruo Nakajima
Godzilla (uncredited)
Katsumi Tezuka
Godzilla (uncredited)