Character Name : Steve Martin

Original Name : Raymond Burr

Gender : Male

Character Name : Shinkichi (as Tuyoaki Suzuki)

Original Name : Toyoaki Suzuki

Gender : Male

Character Name : Security Officer Tomo Iwanaga (as Frank Iwaiga)

Original Name : Frank Iwanaga

Gender : Male

Character Name : Ogata (as Akiro Takarata)

Original Name : 宝田明

Gender : Male

Character Name : Dr. Serizawa

Original Name : 平田昭彦

Gender : Male

Character Name : Hagiwara

Original Name : 堺左千夫

Gender : Male

Character Name : Dr. Yamane

Original Name : 志村喬

Gender : Male

Character Name : Emiko Yamane (as Momaku Kuchi)

Original Name : 河内桃子

Gender : Female

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 : George Lawrence (uncredited)

Original Name : Mikel Conrad

Gender : Male

Character Name : President of Company (uncredited)

Original Name : 小川虎之助

Gender : Male

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

Original Name : 岡部正

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

Character Name : Unidentified Character (voice)

Original Name : Raymond Royer

Gender : Male

Character Name : Unidentified Character (voice)

Original Name : Michel François

Gender : Male

Character Name : Unidentified Character (voice)

Original Name : Roland Ménard

Gender : Male

Character Name : Unidentified Character (voice)

Original Name : Violette Jean

Gender : Male

Character Name : Unidentified Character (voice)

Original Name : René Blancard

Gender : Male

Character Name : Unidentified Character (voice)

Original Name : Maurice Favières

Gender : Male

Character Name : Unidentified Character (voice)

Original Name : Dominique Rémy

Gender : Male

Character Name : Unidentified Character (voice)

Original Name : Gérard Kérise

Gender : Male

Character Name : Unidentified Character (voice)

Original Name : Louis Perdoux

Gender : Male

Character Name : Unidentified Character (voice)

Original Name : Claude Dupuis

Gender : Male

Character Name : Unidentified Character (voice)

Original Name : Eddy Rasimi

Gender : Male