Journey to the Far Side of the Sun on VHS. Starring Roy Thinnes, Ian Hendry, Herbert Lom, Lynn Loring, Patrick Wymark, Loni von Friedl. Directed by Robert Parrish. 1969.
From the box:
Man Has Conquered The Moon
Now Take Another Momentous Journey!
When scientists a hundred years into the future discover a “duplicate” Earth on the other side of the Sun, the stage is set for tense, science fiction adventure and suspense. Determined to find out what this new world is like, the Western nations of Earth set up an expedition headed by former astronauts Roy Thinnes and Ian Hendry to reach the new planet.
DVD Upgrade: Journey to the Far Side of the Sun