Having placed mines on the hull of a British warship whilst it is safe in harbour during the second World War , the two man crew of an Italian miniature submarine are captured and held prisoner whist the crew try and discover the nature of their mission!
John Mills , Ettore Manni , Roberto Risso , Robert Shaw , Liam Redmond , Dinsdale Landen , John Meillon , Patrick Barr , Moray Watson , Gordon Rollings
Euro International Films
