On screen
Cast
26 credited performers
Stuart Whitman
Adm. Michael Matthews
Robert Wagner
Brett
Rosemary Forsyth
Lia Holmes
Robert Colbert
Cmdr. Woody Patterson
Burr DeBenning
Aguila
Susana Miranda
Elena
Paul Stewart
Barton
Whit Bissell
Prof. Holmes
Richard Basehart
The President
Joseph Cotten
Dr. Ziegler
James Darren
Dr. Talty
Sugar Ray Robinson
Capt. Hunter
Charles Dierkop
Quinn
Larry Pennell
Bill Holmes
William Bryant
Capt. Lunderson
Artwork unavailable
Robert Dowdell
Young Officer
Edward G. Robinson Jr.
Dr. Burkson
Sheila Allen
Blonde Woman
Tom Drake
Gen. Putnam
Artwork unavailable
Johnny Lee
Tony
Artwork unavailable
Glenna Sergent
Sally
Artwork unavailable
Ray Didsbury
Security Guard
Erik L. Nelson
Triton Controller
Artwork unavailable
Paul Bradley
Scientist (uncredited)
George Holmes
Scientist (uncredited)
Artwork unavailable
Victor Toyota
Scientist (uncredited)