Rolando, who was close to marrying the daughter of the Doge, is condemned after a highly unfair judicial process and locked up in Venice. Digging a tunnel with the aid of his cellmate, Rolando succeeds to escape.

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Main Cast: Brett Halsey, Gianna Maria Canale, Burt Nelson, Conrado San Martín, José Marco Davó, Vira Silenti, Lilly Darelli, José Nieto, Perla Cristal, Jean Murat

Directors: Carlo Campogalliani, Piero Pierotti

Writers: Oreste Biancoli, Gian Paolo Callegari, Carlo Campogalliani, Piero Pierotti, Manuel Pilares, Duccio Tessari

Editor: Ornella Micheli

Cinematographers: Rafael Pacheco, Luciano Trasatti

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