Richard Todd

~ as ~

Lieutenant-Commander John Simon Kerans

William Hartnell

~ as ~

Leading Seaman Leslie Frank

Akim Tamiroff

~ as ~

Colonel Peng

Donald Houston

~ as ~

Lieutenant Weston

Keye Luke

~ as ~

Captain Kuo Tai

Sophie Stewart

~ as ~

Miss Charlotte Dunlap

Robert Urquhart

~ as ~

Flight Lieutenant Fearnley

Richard Leech

~ as ~

Lieutenant Strain

Barry Foster

~ as ~

Petty Officer McCarthy

Thomas Heathcote

~ as ~

Mr. Monaghan