Survivors of a sinking ship are rescued by Captain Nemo and his submarine crew. They are taken to an underwater city where they may spend the rest of their lives.
Robert Ryan
as Captain Nemo
Chuck Connors
as Senator Robert Fraser
Nanette Newman
as Helena Beckett
Luciana Paluzzi
as Mala
John Turner
as Joab
Bill Fraser
as Barnaby Bath
Kenneth Connor
as Swallow Bath
Allan Cuthbertson
as Lomax
Christopher Hartstone
as Phillip Beckett
Ian Ramsey
as Adam
John Moore
as Skipper
Anthony Bailey
as Sailor
