The presence of mafia boss Vangelli's yacht in front of the island of Ventotene brings a group of prisoners of the penitentiary close.
Philippe Leroy
as Col. Remy
Dagmar Lassander
as
Raymond Pellegrin
as
Franco Citti
as Ciro
Maurizio Arena
as Marpione
Augusto Martelli
as Michele
Enzo Robutti
as
Armando Tortorici
as Prison Guard
Luciano Pigozzi
as
Ernesto Colli
as
Rosaura Marchi
as
