Doppelgänger (1969) is a Science Fiction film that follows a planet is discovered in the same orbit as Earth's but is located on the exact opposite side of the sun, making it not visible from Earth. The European Space Exploration Council decide to send American astronaut Glenn Ross and British scientist John Kane via spaceship to explore the other planet. Doppelgänger is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 6.3 out of 10 from 131 votes. Fans of science fiction movies may also want to explore similar titles below.