Gorgo

Bill Travers

as

Joe Ryan

William Sylves...

as

Sam Slade

Vincent Winter

as

Sean

Christopher Rh...

as

McCartin

Joseph O'Conor

as

Prof. Hendricks

Bruce Seton

as

Prof. Flaherty

Martin Benson

as

Dorkin

Maurice Kaufma...

as

Radio Reporter

Basil Dignam

as

Admiral Brooks

Barry Keegan

as

Mate

Tommy Duggan

as

First Naval Of...

Howard Lang

as

First Colonel

Dervis Ward

as

Bosun

Mick Dillon

as

Gorgo

Nigel Green

as

Bulletin Annou...