In the mid-1500s, a ship containing Spanish prisoners being sent to a Spanish penal colony in the Caribbean sinks at sea, but some of the prisoners manage to survive and make it to shore at a nearby island. They organize themselves under the leadership of Juan Olivares (dynamically played by charismatic singer-actor Johnny Desmond), manage to take over a ship with some cargo that they barter for supplies, and eventually are asked to fight on behalf of the Spanish crown against the English... or is the request sincere?
Johnny Desmond
Yvonne Monlaur
Armando Francioli
Piero Lulli
Claudio Undari
Franca Parisi
Walter Brandi
Elvi Lissiak
Vincenzo Musolino
Graziella Granata
Amedeo Trilli
Mara Garden
Franco Santi
Nerio Bernardi
Nino Marchesini
Carlo Lombardi
Susan Terry
Carla Foscari
Luigi Batzella
Riccardo De Santis
Harold Bradley
Gino Buzzanca
Luciano Francioli
Gualtiero Isnenghi
Mauro Mannatrizio