La Grande Speranza (The Big Hope), retitled Submarine Attack and Torpedo Zone in English, is a 1954 Italian anti-war film starring Lois Maxwell, Renato Baldini and Earl Cameron. It won the Special Prize of the Senate of Berlin, and the OCIC Award at the Berlin International Film Festival. Marcantonio Bragadin was an adviser on the film, which was shot inside and on the deck of a real submarine.