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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.

Status: Released
Released Date: 1969-08-27
Runtime: 101 mins
Director: Robert Parrish
Spoken language: English
Genres: Science Fiction
Original title: Doppelgänger
Production Companies: Century 21 Television
Production Countries: United Kingdom

Roy Thinnes

Ian Hendry

Patrick Wymark

Lynn Loring

Loni von Friedl

Franco De Rosa

George Sewell

Ed Bishop

Philip Madoc

Vladek Sheybal

George Mikell

Herbert Lom

Nicholas Courtney

Peter van Dissel