The Extraordinary Seaman

Lt. Commander Finchhaven (David Niven), a ghostly relic from the First World War, he had fallen down dead drunk on his first assignment and been consigned from the great beyond to sail the seas until a further opportunity arises to redeem his actions. During the Second World War, he is encountered by a quartet of American seamen that includes Lt. Morton Krim (Alan Alda) and cook W.J. Oglethorpe (Mickey Rooney)... (imdb)