Steve Martin
Raymond Burr
Dr. Yamane
Takashi Shimura
President of Company
Toranosuke Ogawa
Security Officer Tomo Iwanaga
Frank Iwanaga
Dr. Yamane / Dr. Tabata (voice) (uncredited)
Sammee Tong
Ogata / Dr. Serizawa / Hagiwara (voice) (uncredited)
James Hong
George Lawrence (uncredited)
Mikel Conrad
Unidentified Character (voice) (uncredited)
Paul Frees
Chairman of Diet Committee (uncredited)
Hiroshi Hayashi
Radio Operator (uncredited)
Ren Imaizumi
The Old Fisherman (uncredited)
Kokuten Kōdō
Chief of Emergency Headquarters (uncredited)
Takeo Oikawa
Emiko Yamane
Momoko Kôchi
The Boy's Mother (uncredited)
Tsuruko Mano
Man on Boat (uncredited)
Kenji Sahara
Ozawa-san (uncredited)
Kin Sugai
Man in Line at Airport (uncredited)
Lee Miller
Godzilla (uncredited)
Haruo Nakajima
Katsumi Tezuka
Ryosaku Takasugi
Ogata
Akira Takarada
Dr. Serizawa
Akihiko Hirata
Hagiwara
Sachio Sakai
Dr. Tabata
Fuyuki Murakami
Seiji
Ren Yamamoto
Shinkichi
Toyoaki Suzuki
Dr. Tabata's Assistant
Tadashi Okabe
Story
Terry O. Morse
Director
ADR Supervisor
Supervising Film Editor
Special Effects
Hajime Tsuburaya
Visual Effects Camera
Producer
Paul Schreibman
Additional Music
Sei Ikeno
Executive Producer
Joseph E. Levine
Assistant Costume Designer
Yoshio Suzuki
Modeling
Costume Designer
Visual Effects Art Director
Yasuyuki Inoue
Tomoyuki Tanaka
Iwao Mori
Music
Akira Ifukube
Tohl Narita
Novel
Shigeru Kayama
Lyricist
Original Story
Visual Effects
Sadao Iizuka
Sadamasa Arikawa
VFX Director of Photography
First Assistant Director
Koji Kajita
Eizo Kaimai
Sculptor
Teizô Toshimitsu
Ishirō Honda
Screenplay
Eiji Tsuburaya
Visual Effects Director
Fuminori Ōhashi
Costume Consultant
Al C. Ward
Harry Rybnick
Richard Kay
Hiroshi Mukoyama
Art Direction
Takeo Kita
Edward B. Barison
Satoru Chûko
Masao Yagi
Kanju Yagi
Lighting Technician
Chōshirō Ishii
Yasuei Yagi
Production Manager
Teruo Maki
Property Master
Kyuzo Yamamoto
Kuichirô Kishida
Akira Watanabe
Yôichi Manoda
Yoshio Irie
Shuzaburo Araki
Motoyoshi Tomioka
Visual Effects Production Manager
Yasuaki Sakamoto
Sound
Arthur B. Smith
Production Design
Assistant Director
Ira Webb
Assistant Sound Editor
Terry Morse Jr.
Assistant Editor
Director of Photography
Guy Roe
Harold Ross
Terry Turner
Edmund Goldman
VFX Lighting Artist
Shoji Ogawa
Taka Yuki
Assistant Camera
Yuzuru Aizawa
Assistant Gaffer
Shinji Kojima
Seishichi Kojima
Second Assistant Director
Susumu Takebayashi
Sound Assistant
Nobuyuki Tanaka
Set Decoration
George R. Rohrs
Sound Effects Editor
Editor
Kazuji Taira
Masao Tamai
Takeo Murata
Sound Effects
Ichirô Minawa
Sound Recordist
Norio Tone
Hisashi Shimonaga