Obsazení
Colin Fox
Spy Z
Ken Pogue
Dr. Krause
Glenn Ford
President Richardson
Henry Silva
General Garland
Sonny Čiba
Dr. Yamauchi
Eve Crawford
Dr. Irma Ollich
Michael Tough
Young Sailor - HMS Nereid
Ken Ogata
Prof. Tsuchiya
Cec Linder
Doctor Latour
Kensaku Morita
Ryûji Sanazawa
Robert Vaughn
Senator Barkley
Masao Kusakari
Doctor Shûzô Yoshizumi
Chuck Connors
Captain McCloud - HMS Nereid
Cunehiko Watase
Yasuo Tatsuno
Chris Wiggins
Dr. Borodinov
Bo Svenson
Major Carter
Olivia Hussey
Marit
George Touliatos
Col. Rankin
Jumi Takigawa
Asami Noriko
Julie Khaner
Secretary - Palmer Station
Tošijuki Nagašima
Akimasa Matsuo
Takaši Noguči
Doctor's Assistant
Edward James Olmos
Captain Lopez
Isao Nacujagi
Commander Nakanishi
Nendži Kobajaši
Doctor's Assistant #2
Nicholas Campbell
Radio Operator - Palmer Station
Alf Humphreys
Sailor #2 - HMS Nereid
Alberta Watson
Litha (uncredited)
Micuko Oka
Tatsuno Yoshiko
Haruki Kadokawa
Crew Member
Stuart Gillard
Doctor Ed Meyer, Dr. Ed Meyer
George Kennedy
Admiral Conway