Jack Frost (Russian: Морозко, Morozko) is a 1964 Soviet romantic fantasy film made by Gorky Film Studio. It was based on a traditional Russian fairy tale Morozko. It was directed by Alexander Rou, and starred Eduard Izotov as Ivan, Natalya Sedykh as Nastenka, and Alexander Khvylya as Father Frost.
The script was written by Nikolai Erdman. The soundtrack was composed by Nikolai Budashkin, who was inspired by the works of Nikolai Rimsky-Korsakov.
A version with an English dub was released in 1966 in the U.S. and was the one also spoofed on the cult TV series Mystery Science Theater 3000. It was also spoofed by the Rifftrax site in 2021.