

16/07/1971
A group of 21st-century colonists inhabit an underwater city called Pacifica. Originally intended as a purely scientific installation, the U. S. government wants to stash all its gold reserves from Fort Knox there, along with a fantastic new radioactive element. The brother of Pacifica's returning former commander plans to steal the gold and on top of that, the city faces destruction by an asteroid from outer space!

Stuart Whitman
as Adm. Michael Matthews

Robert Wagner
as Brett

Rosemary Forsyth
as Lia Holmes

Robert Colbert
as Cmdr. Woody Patterson

Burr DeBenning
as Aguila

Susana Miranda
as Elena

Paul Stewart
as Barton

Whit Bissell
as Prof. Holmes

Richard Basehart
as The President

Joseph Cotten
as Dr. Ziegler

James Darren
as Dr. Talty

Sugar Ray Robinson
as Capt. Hunter

Charles Dierkop
as Quinn

Larry Pennell
as Bill Holmes

William Bryant
as Capt. Lunderson

Robert Dowdell
as Young Officer

Edward G. Robinson Jr.
as Dr. Burkson

Sheila Allen
as Blonde Woman

Tom Drake
as Gen. Putnam

Johnny Lee
as Tony

Glenna Sergent
as Sally

Ray Didsbury
as Security Guard

Erik L. Nelson
as Triton Controller

Paul Bradley
as Scientist (uncredited)

Brent Dunsford
as Technician (uncredited)

George Holmes
as Scientist (uncredited)

Victor Toyota
as Scientist (uncredited)
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