Godzilla, the Monster of the Pacific Ocean

Raymond Burr Steve Martin

Toyoaki Suzuki Shinkichi (as Tuyoaki Suzuki)

Frank Iwanaga Security Officer Tomo Iwanaga (as Frank Iwaiga)

Akira Takarada Ogata (as Akiro Takarata)

Akihiko Hirata Dr. Serizawa

Sachio Sakai Hagiwara

Takashi Shimura Dr. Yamane

Momoko Kôchi Emiko Yamane (as Momaku Kuchi)

Fuyuki Murakami Dr. Tabata (uncredited)

Ren Yamamoto Seiji (uncredited)

Mikel Conrad George Lawrence (uncredited)

Toranosuke Ogawa President of Company (uncredited)

Tadashi Okabe Dr. Tabata's Assistant (uncredited)

Kokuten Kōdō The Old Fisherman (uncredited)

Kenji Sahara Man on Boat (uncredited)

Haruo Nakajima Godzilla (uncredited)

Katsumi Tezuka Godzilla (uncredited)

Raymond Royer Unidentified Character (voice)

Michel François Unidentified Character (voice)

Roland Ménard Unidentified Character (voice)