Guest starring Tamzin Outhwaite (EastEnders), Warwick Davis (Life’s Too Short), Jason Watkins (Being Human) and Will Merrick (Skins), Gaiman’s episode is the follow-up to 2011’s award-winning ‘The Doctor’s Wife’ and is set to air as the penultimate episode of Series 7 next year.

Moffat told Vulture: “I wanted to make [the Cybermen] creepier, and a bit more active. I thought we had gone as far as we could with the stumpy Cybermen. I wanted to do the colder, deadlier version and I was interested in Neil giving it a ghost-story feel. Neil’s a good ghost story writer.”

Gaiman previously revealed: “Steven [Moffat] wrote to me and said, ‘Will you make the Cybermen scary again?'” And I thought back to when I was 6 or 7 years old – ‘The Moonbase’, ‘Tomb of the Cybermen’… I thought, ‘Let me see what I can do when I take the 1960s Cybermen and [incorporate] everything that’s happened since’. So that’s what I’m trying to do. I don’t know if it will work.”

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