Set in Russia, pic will find Willis reprising his role as heroic Gotham cop John McClane, with Courtney playing his estranged son Jack. Duo team up to keep each other alive and protect the world from imminent disaster.
Koch will play Komorov, while Snigir will play Irina. Both roles are believed to be villainous in nature.
The fifth installment in the blockbuster franchise, pic is skedded for release on Feb. 14, 2013. Last installment grossed $383 million worldwide.