Raf Vallone

Carlo Ferri

Acting

Franco Fabrizi

Antonio

Acting

Ettore Manni

Marco

Acting

Andrea Checchi

Giorgio

Acting

Enrico Maria Salerno

Virgilio

Acting

Christian Marquand

Paolo

Acting

Bud Spencer

Magrini

Acting

Franco Chianese

Submariner

Acting

Emilio Cigoli

Acting

Nerio Bernardi

Captain Mauri

Acting

Evar Maran

Survivor

Acting

Giovanni De Fazio

Pietro

Acting

Paolo Bergamaschi

Survivor #2

Acting

Elena Varzi

Anna Avanzi

Acting

Federico Scarlatti

Commandante sommergible

Acting

Albino Morandin

Capo pontone

Production

Livio Lorenzon

Sergente

Acting

Cesare Fantoni

Ammiraglio a Roma

Acting

Saverio Capriò

Un terzo superstite

Acting

Dora Calindri

Madre di Virgilio

Acting

Gino Anglani

Agente segreto

Acting

Evar Maran

Un superstite

Acting

Emilio Cigoli

Ammiraglio Bragadin

Acting

Nerio Bernardi

Capitano Mauri

Acting

Paolo Bergamaschi

Un secondo superstite

Acting