Robert Newton

Capt. David Grant

Raymond Lovell

Paul Faber

Guy Middleton

Capt. Tony Hunter

Muriel Pavlow

Marion Decker

Herbert Lom

Keitel

John Ruddock

Bowman

Martin Miller

Professor Hansen

Brenda Bruce

Lily Leggett

Gerald Case

Inspector Emerson

Scott Forbes

Lieut. Allen (as Julian Dallas)