Doppelgänger
- Joer: 1969
- Land: United Kingdom
- Genre: Science Fiction
- Studio: Century 21 Television
- Schlësselwuert: space travel, space mission, space, astronaut, trapped in space
- Direkter: Robert Parrish
- Besetzung: Roy Thinnes, Ian Hendry, Patrick Wymark, Lynn Loring, Loni von Friedl, Franco De Rosa