A psychologist is sent to a space station orbiting a planet called Solaris to investigate the death of a doctor and the mental problems of cosmonauts on the station. He soon discovers that the water on the planet is a … Donatas Banionis, Natalya Bondarchuk, Jüri Järvet, Anatoliy Solonitsyn, Nikolay Grinko, Vladislav Dvorzhetsky, Georgiy Teykh Added on HBO 2023-06-27, leaving 2024-10-01. Youtube Trailer