An elite group of Allied soldiers is dispatched to sabotage vital German artillery emplacements, despite the seemingly insurmountable odds and the suspicion there is a traitor in their midst. Oscar-winning Second World War adventure, based on Alistair MacLean's novel, starring Gregory Peck, David Niven, Anthony Quinn, Stanley Baker, Anthony Quayle and Irene Papas.

A team of allied saboteurs are assigned an impossible mission: infiltrate an impregnable Nazi-held island and destroy the two enormous long-range field guns that prevent the rescue of 2,000 trapped British soldiers.