The railway station Sarah Jane arrives at in Part One is Mortimer railway station, near Reading.
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Kismet Delgado, the widow of Roger Delgado, who had played the Master during the Third Doctor's era, was one of the voices for the Spiders.
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Due to the death of actor Roger Delgado, script editor Terrance Dicks abandoned the project in favour of a new story, which eventually evolved into Planet of the Spiders.
Animal Planet | minor planet | Mercury (planet) | Lonely Planet | Planet of the Apes | planet | Forbidden Planet | Planet Rock | Planet of the Daleks | Planet of the Apes (2001 film) | Planet of the Apes (1968 film) | Planet | Fantastic Planet | Animal Planet Nordic | Treasure Planet | Planet of Evil | Planet in Peril | Planet Earth (TV series) | Planet Earth | Lost Planet of the Gods | Trap Door Spiders | Planet Rock (song) | Planet of Fire | Minor Planet Center | Minor planet | Earth-like planet | Commander Cody and His Lost Planet Airmen | Cleveland Spiders | Beneath the Planet of the Apes | The Planet Smashers |