"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
Evar Maran
as Survivor
Giovanni De Fazio
as Pietro
Paolo Bergamaschi
as Survivor #2
Elena Varzi
as Anna Avanzi
Lydia Simoneschi
as (Voice dubbing for Elena Varzi)
Stefano Sibaldi
as (Voice dubbing for Franco Farbrizi)
Giuseppe Rinaldi
as (Voice dubbing for Bud Spencer/Carlo Pedersoli)
Mario Pisu
as (Voice dubbing for Emilio Cigoli)
Bruno Persa
Giulio Panicali
as (Voice dubbing for Enrico Maria Salerno)
Pino Locchi
as (Voice dubbing for Christian Marquand)
Gualtiero De Angelis
as (Voice dubbing for Ettore Manni)
as (Voice dubbing for Raf Vallone)
Giorgio Capecchi
as (Voice dubbing for Andrea Checchi)
Manlio Busoni
as (Voice dubbing for Franco Fabrizi)
Federico Scarlatti
as Commandante sommergible
Albino Morandin
as Capo pontone
Livio Lorenzon
as Sergente
Cesare Fantoni
as Ammiraglio a Roma
Saverio Capriò
as Un terzo superstite
Dora Calindri
as Madre di Virgilio
Gino Anglani
as Agente segreto
as Un superstite
as Ammiraglio Bragadin
as Capitano Mauri
as Un secondo superstite
Victor De Santis
Underwater Camera
Renzo Avanzo
Assistant Director
Antonio Modica
Camera Operator
Renato Cinquini
Editor
Milena Splendore Pulejo
Script Supervisor
Gian Giacomo Cossa
Dino De Laurentiis
Producer
Franco Brusati
Screenplay
Guido Malatesta
Mario Parapetti
Angelo Francesco Lavagnino
Music
Carlo Ponti
Cleofe Conversi
Assistant Editor
Antonio Leonviola
Director
Thea Boggiatto
Makeup Artist
Giorgio Giovannini
Set Designer
Flavio Mogherini
Art Direction
Riccardo Pallottini
Cinematography
Ennio De Concini
Carlo Lizzani
Amelio Verona
Sound
Marc-Antonio Bragadin