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Robert Ryan
Captain Nemo

Chuck Connors
Senator Robert Fraser

Nanette Newman
Helena Beckett

Luciana Paluzzi
Mala

John Turner
Joab

Bill Fraser
Barnaby Bath

Kenneth Connor
Swallow Bath

Allan Cuthbertson
Lomax

Christopher Hartstone
Phillip Beckett

Ian Ramsey
Adam

John Moore
Skipper

Anthony Bailey
Sailor

Alan Barry
Sailor

Vincent Harding
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