A beautiful maiden, Marya Morevna, gives her prospective husband, the mighty warrior Nikita Kozhemyaka, three riddles to solve before she'll marry him. Before he can tell her the answers, the Russian land is invaded by the armies of Kashchey the Immortal, in whose footsteps death and destruction follow. Marya is abducted by Kashchey, and Nikita finds his home in ashes. Nikita meets a kindly wizard who gives him a cap of darkness. With it, the hero will find a way to save his bride and rout Kashchey.
| Actor | Role |
|---|---|
 Georgi MillyarКащей Бессмертный | Кащей Бессмертный |
 Sergey StolyarovНикита Кожемяка | Никита Кожемяка |
 Galina GrigoryevaМарья-Моревна | Марья-Моревна |
 Sergei Filippovпалач | палач |
 Emmanuil Gellerстражник | стражник |
 Ivan Ryzhovозорной парень | озорной парень |
 Sergei Troitskyповелитель | повелитель |
| SSergey YurtsevGuslyar | Guslyar |
 Lev Krovitskiyсудья | судья |
 Pyotr Galadzhevстражник | стражник |
 Ivan Bobrovстражник | стражник |
 Igor Rozhnyatovskiyэпизод (нет в титрах) | эпизод (нет в титрах) |
 Fyodor Grigoryev(uncredited) | (uncredited) |