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)
