Raf Vallone
Commandante Carlo Ferri
Siluri umani is a 1954 Italian war film credited to Antonio Leonviola, who abandoned production and was substituted by director Carlo Lizzani. The movie depicts the successful WWII 1941 raid on Souda Bay in Crete by Italian Navy frogmen on the Royal Navy's HMS York heavy cruiser and a Norwegian oil tanker. imdb.com