Secret Beneath the Sea (1963)

A sequel to City Beneath the Sea. A journalist goes to the ocean floor to look for Phenicium, a rare metal vital for space research. Of course, the bad guys want it, too.

Christopher Sandford

as Seaman

Unknown

as (unknown episodes)

Derek Smee

as Engineer

Reginald Smith

as Sir George

David Spenser

as Professor Soobiah

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