|“||This guy is bad news. Terrorism, weapons, uranium, nukes. Someone's got to stop him.||„|
|~ Jack McClane to his father, John|
John "Jack" McClane, Jr. is the son of John McClane and Holly Gennero and the younger brother of Lucy McClane. He is seen very briefly in Die Hard as a young boy and was never seen again until the fourth sequel A Good Day to Die Hard as the deuteragonist, whom he is an undercover CIA agent set to stop when a weapons-grade uranium heist by terrorists.
He is played by Jai Couretney in Good Day to Die Hard.