Steve Martin
Raymond Burr
Shinkichi (as Tuyoaki Suzuki)
Toyoaki Suzuki
Unidentified Character (voice)
Raymond Royer
Michel François
Roland Ménard
Violette Jean
René Blancard
Maurice Favières
Dominique Rémy
Gérard Kérise
Louis Perdoux
Claude Dupuis
Ogata (as Akiro Takarata)
Akira Takarada
Eddy Rasimi
Dr. Serizawa
Akihiko Hirata
Security Officer (as Frank Iwaiga)
Frank Iwanaga
Hagiwara
Sachio Sakai
Dr. Yamane
Takashi Shimura
Emiko Yamane (as Momaku Kuchi)
Momoko Kôchi
Godzilla (uncredited)
Haruo Nakajima
Katsumi Tezuka
Special Effects
Hajime Tsuburaya
Visual Effects Camera
Additional Music
Sei Ikeno
Assistant Costume Designer
Yoshio Suzuki
Visual Effects Art Director
Yasuyuki Inoue
Producer
Tomoyuki Tanaka
Story
Music
Akira Ifukube
Novel
Shigeru Kayama
Lyricist
Original Story
Visual Effects
Sadao Iizuka
Sadamasa Arikawa
Assistant Director
Koji Kajita
Sculptor
Teizô Toshimitsu
Costume Designer
Director
Ishirō Honda
Author
Screenplay
Eiji Tsuburaya
Visual Effects Director
Property Master
Kyuzo Yamamoto
Masao Yagi
Sound Effects
George R. Rohrs
Kanju Yagi
Motoyoshi Tomioka
Lighting Technician
Chōshirō Ishii
Yasuei Yagi
Fuminori Ōhashi
Yôichi Manoda
Akira Watanabe
Shuzaburo Araki
Sound
Arthur B. Smith
Sound Recordist
Hisashi Shimonaga
Yoshio Irie
Kuichirô Kishida
Norio Tone
Tohl Narita
Kaimai Eizo
Ichirô Minawa
Production Manager
Teruo Maki
Visual Effects Production Manager
Yasuaki Sakamoto
Director of Photography
Masao Tamai
Takeo Murata
Guy Roe
Hiroshi Mukoyama
Executive Producer
Iwao Mori
Art Direction
Satoru Chûko
Takeo Kita
Production Design
Robert Noël
Writer
Bruno Guillaume
Michel Gast