President Richardson
Glenn Ford
Senator Barkley
Robert Vaughn
Admiral Conway
George Kennedy
Marit
Olivia Hussey
Captain Lopez
Edward James Olmos
Commander Nakanishi
Isao Natsuyagi
Secretary - Palmer Station
Julie Khaner
Col. Rankin
George Touliatos
Dr. Yamauchi
Sonny Chiba
Yasuo Tatsuno
Tsunehiko Watase
Ryûji Sanazawa
Kensaku Morita
Akimasa Matsuo
Toshiyuki Nagashima
Doctor Shûzô Yoshizumi
Masao Kusakari
Radio Operator - Palmer Station
Nicholas Campbell
Dr. Borodinov
Chris Wiggins
Dr. Irma Ollich
Eve Crawford
Major King
John Bayliss
Sailor #1 - HMS Nereid
John Rutter
Sailor #2 - HMS Nereid
Alf Humphreys
Young Sailor - HMS Nereid
Michael Tough
Prof. Tsuchiya
Ken Ogata
White House Aide Simmons
William Binney
Dr. Ed Meyer
Stuart Gillard
Asami Noriko
Yumi Takigawa
Spy Z
Colin Fox
Dr. Krause
Ken Pogue
Litha (uncredited)
Alberta Watson
Danielle Schneider
Tatsuno Yoshiko
Mitsuko Oka
Doctor's Assistant
Takashi Noguchi
Doctor's Assistant #2
Nenji Kobayashi
Crew Member
Haruki Kadokawa
Chū Takatsuki
Takeshige Hatanaka
General Garland
Henry Silva
Chikara Gonoue
American Antarctic Crew Member
Major Carter
Bo Svenson
Sarah Baker
Stephanie Faulkner
Doctor Ed Meyer
Doctor Latour
Cec Linder
Captain McCloud - HMS Nereid
Chuck Connors
Director
Kinji Fukasaku
Screenplay
Original Music Composer
Kentaro Haneda
Kōji Takada
Producer
Yutaka Okada
Editor
Pieter Hubbard
Akira Suzuki
Takashi Ōhashi
Novel
Sakyo Komatsu
Teo Macero
Gregory Knapp
Director of Photography
Daisaku Kimura
Art Direction
Yoshinaga Yoko'o
Assistant Art Director
Lindsey Goddard