A team of highly trained Italian seamen are taken to the island of Stampalia where there are to take their torpedo-laden attack craft on a daring attack on the port of Suda.

Raf Vallone
as Carlo Ferri

Franco Fabrizi
as Antonio

Ettore Manni
as Marco

Andrea Checchi
as Giorgio

Enrico Maria Salerno
as Virgilio

Christian Marquand
as Paolo

Bud Spencer
as Magrini

Franco Chianese
as Submariner

Emilio Cigoli
as

Nerio Bernardi
as Captain Mauri