Aktorët

• Bill Travers — Joe Ryan
• William Sylvester — Sam Slade
• Christopher Rhodes — McCartin
• Martin Benson — Dorkin
• Tommy Duggan — First Naval Officer
• Dervis Ward — Bosun
• Vincent Winter — Sean
• Bruce Seton — Prof. Flaherty
• Maurice Kaufmann — Radio Reporter
• Basil Dignam — Admiral Brooks
• Barry Keegan — Mate
• Howard Lang — First Colonel
• Mick Dillon — Gorgo