Sputnik

Sputnik is a movie starring Oksana Akinshina, Fedor Bondarchuk, and Pyotr Fyodorov. The lone survivor of an enigmatic spaceship incident hasn't returned back home alone-hiding inside his body is a dangerous creature.
At the height of the Cold War, a Soviet spacecraft crash lands after a mission gone awry, leaving the commander as its only survivor. After a renowned Russian psychologist is brought in to evaluate the commander’s mental state, it becomes clear that something dangerous may have come back to Earth with him…