The Cockleshell Heroes

The Cockleshell Heroes is a 1955 British war film with Trevor Howard, Anthony Newley, David Lodge and Jos Ferrer, who also directed. Set during the Second World War, it is a fictionalised account of Operation Frankton, the December 1942 raid by canoeborne British commandos on shipping in Bordeaux Harbour. It was the first Warwick Film to be filmed in CinemaScope.

However, he clashes with his veteran secondincommand, cynical, bythebook Captain Hugh Thompson Trevor Howard. The two officers represent the clash of cultures in the Royal Marines in World War II and postwar. Stringer is the enthusiastic promoter of commando operations requiring daring and initiative, but has no experience leading men or operations. Thompson represents the old guard of traditional ships detachments. Sergeant Craig Victor Maddern trains the men following Stringers directions, but Thompson strongly disapproves of his commanders lax methods. When a test mission ends disastrously, Stringer admits his mistake and turns to Thompson, who soon whips the marines into shape.Ruddock David Lodge, one of the men, goes AWL due to marital problems. Thompson gets to Ruddocks wife first and finds her with her civilian lover, but leaves when they both insult him. He goes to the local pub for a drink and finds the missing Marine. Thompson gives Ruddock enough time to beat up his wifes paramour, then drives him back to camp. ........

Source: Wikipedia