In World War II, the greatest threat to the British navy is the German battleship Tirpitz. While anchored in a Norwegian fjord, it is impossible to attack by conventional means, so a plan is hatched for a special commando unit to attack it, using midget submarines to plant underwater explosives.
Elenco:
John Mills
,
John Gregson
,
Donald Sinden
,
James Robertson Justice
,
Michael Medwin
,
Theodore Bikel
,
James Kenney
,
William Russell
.