A gang of robbers takes possession of a load of diamonds.. Only one of them, Mark Lemmon, is arrested and sentenced to life imprisonment. But before being captured, the gangster had managed to hide the loot in a sewer. Five years later, Mackenzie, an insurer, pretending to be a mafia boss, assigns three petty criminals to arrange his escape. Once free, Lemmon finds the booty but now he has to deal with his new 'partners'.
Al Cliver
Michael Teague
Carole André
Nicky Stone
Claudine Auger
Maggie Vanderberg
William Berger
Mackenzie
Francesco Casaretti
Frank Derosa
Nick
Tony Di Mitri
Dr. Alfred Houseman
Mariangela Giordano
Sandro's lover
Edmund Purdom
Professor Vanderberg
Gabriele Tinti
Sandro Vincenzoni
Fausto Tozzi
Mark Lemmon
