Full Cast & Crew

Top Billed Cast

Margaret Neale

Margaret Neale

June Challis

Denys Peek

Denys Peek

Robert Duncan

Ralph Nossek

Ralph Nossek

Professor Ramsay

Trevor Bannister

Trevor Bannister

Peter Barry

Brandon Brady

Brandon Brady

Brian Barclay

Celia Bannerman

Celia Bannerman

Diana Winters

Full Cast

William Abney

William Abney

Ian Murray

Julian Somers

Julian Somers

Sir John Chandos

Terence Donovan

Terence Donovan

Captain Wade

Arthur White

Arthur White

Keeler

Jeffry Wickham

Jeffry Wickham

Dr. Baranov

Lindsay Campbell

Lindsay Campbell

Dr. Rickover

Milton Johns

Milton Johns

Haziz

Bernard Kay

Bernard Kay

Paul Bazaine

Robert O'Neil

Robert O'Neil

President McCone

Dmitri Makaroff

Dmitri Makaroff

Premier Yeremenko

Crew

Daphne Shadwell

Producer

Andrew Drummond

Production Design

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