UFO: Red alert... Attack on Earth! was released on September 6, 1971.

UFO: Red alert... Attack on Earth! was directed by Cyril Frankel, David Tomblin, Jeremy Summers.

UFO: Red alert... Attack on Earth! has a runtime of 83m.

UFO: Red alert... Attack on Earth! was produced by Gerry Anderson.

Few people know of the chilling reality behind the mysterious phenomenon of unidentified flying objects. Beings from a dying planet have arrived on Earth to kidnap humans and take over their vital organs. Against this threat, SHADO has been created, a secret organisation equipped with the most advanced technology and the best men.

The key characters in UFO: Red alert... Attack on Earth! are Commander Ed Straker (Ed Bishop), Colonel Virginia Lake (Wanda Ventham), Nina Barry (Dolores Mantez).

UFO: Red alert... Attack on Earth! is a Science Fiction film.

UFO: Red alert... Attack on Earth! has an audience rating of 4.9 out of 10.