Character Name : Steve Martin

Original Name : Raymond Burr

Gender : Male

Character Name : Ogata

Original Name : 宝田明

Gender : Male

Character Name : Dr. Serizawa

Original Name : 平田昭彦

Gender : Male

Character Name : Dr. Yamane

Original Name : 志村喬

Gender : Male

Character Name : Emiko Yamane

Original Name : 河内桃子

Gender : Female

Character Name : Steve Martin (voice)

Original Name : Emilio Cigoli

Gender : Male

Character Name : Emiko Yamane (voice)

Original Name : Rita Savagnone

Gender : Male

Character Name : Ogata (voice)

Original Name : Giuseppe Rinaldi

Gender : Male

Character Name : George Lawrence (voice) (as Vittorio Kramer)

Original Name : Vittorio Cramer

Gender : Male

Character Name : Security Officer Tomo Iwanaga (voice)

Original Name : Pino Locchi

Gender : Male

Character Name : Hagiwara (uncredited)

Original Name : 堺左千夫

Gender : Male

Character Name : Dr. Tabata (uncredited)

Original Name : 村上冬樹

Gender : Male

Character Name : Seiji (uncredited)

Original Name : 山本廉

Gender : Male

Character Name : Shinkichi (uncredited)

Original Name : Toyoaki Suzuki

Gender : Male

Character Name : Dr. Tabata's Assistant (uncredited)

Original Name : 岡部正

Gender : Male

Character Name : President of Company (uncredited)

Original Name : 小川虎之助

Gender : Male

Character Name : Security Officer Tomo Iwanaga (uncredited)

Original Name : Frank Iwanaga

Gender : Male

Character Name : George Lawrence (uncredited)

Original Name : Mikel Conrad

Gender : Male

Character Name : The Old Fisherman (uncredited)

Original Name : 高堂国典

Gender : Male

Character Name : Man on Boat (uncredited)

Original Name : 佐原健二

Gender : Male

Character Name : Godzilla (uncredited)

Original Name : 中島春雄

Gender : Male

Character Name : Godzilla (uncredited)

Original Name : 手塚勝巳

Gender : Male