Between 2001 and 2004, Kaldor City was a series of original CD dramas from British company Magic Bullet. It featured the characters, situations and settings that appeared in Chris Boucher's Doctor Who novel Corpse Marker, which in turn was a sequel to the classic Fourth Doctor story The Robots of Death. There was also a certain amount of crossover with Blake's 7 due to the involvement of Chris Boucher himself and the choice of actors.
The Kaldor City audios all starred Paul Darrow as Kaston Iago, along with several other guest stars who will be familiar to fans of Doctor Who or Blake's 7 — such as Nicholas Courtney, David Collings, Brian Croucher, Peter Miles and Peter Tuddenham.
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