On screen
Cast
16 credited performers
Artwork unavailable
Margaret Neale
June Challis
Artwork unavailable
Denys Peek
Robert Duncan
Ralph Nossek
Professor Ramsay
Trevor Bannister
Peter Barry
Artwork unavailable
Brandon Brady
Brian Barclay
Celia Bannerman
Diana Winters
Artwork unavailable
William Abney
Ian Murray
Julian Somers
Sir John Chandos
Artwork unavailable
Terence Donovan
Captain Wade
Artwork unavailable
Arthur White
Keeler
Jeffry Wickham
Dr. Baranov
Artwork unavailable
Lindsay Campbell
Dr. Rickover
Artwork unavailable
Milton Johns
Haziz
Artwork unavailable
Bernard Kay
Paul Bazaine
Artwork unavailable
Robert O'Neil
President McCone
Artwork unavailable
Dmitri Makaroff
Premier Yeremenko