The greatest threat to the British navy is the German battleship Tirpitz. Being anchored in a Norwegian fjord, it is impossible to attack it with any chance of success. But the navy trains a special commando to attack it, using little submarines to plant underwater explosives under it.

| Release Date: | Oct 1956 |
|---|---|
| Genre: | Adventure / Drama / History / War |
| Cast: | John Mills (Cmdr. Fraser), John Gregson (Lt Alec Duffy), Donald Sinden (Lt Tom Corbett), James Robertson Justice (Adm. Ryder), Michael Medwin (Smart), James Kenney (Abercrombie), O.E. Hasse (Captain of the Tirpitz), Lee Patterson (Cox), William Russell (Ramsey), Theodore Bikel (German Officer), Harry Towb (McCleery), Cyril Chamberlain (CPO Chubb), Tony Wager (George (as Anthony Wager)), Leslie Weston (Winley), Lyndon Brook (Diver Navigator, X2) |
