When John McClane's son Jack gets into trouble while in Russia, McClane travels to Moscow to help him out, only to get caught up in a terrorist plot involving the circumstances behind his son's arrest.
Bruce Willis as John McClane
Jai Courtney as John "Jack" McClane, Jr.
Cole Hauser as Collins
Sebastian Koch as Komorov
Yuliya Snigir as Irina
Mary Elizabeth Winstead as Lucy McClane