A walking tour guide meets a ghost who says her tour is being used to bring a terrible being into our world. Before he died, the ghost was known as the Doctor. Big Finish have been producing Doctor Who audios since 1999, starring Tom Baker, Peter Davison, Colin Baker, Sylvester McCoy, Paul McGann, David Tennant and John Hurt. This release's director - Barnaby Edwards - is not only a prolific Big Finish director, but as an actor is the lead Dalek operator on TV's Doctor Who. Writer James Goss is the official representative of the Douglas Adams Estate, tasked with adapting the Sci-Fi/comedy legend's work as novels. CAST: Peter Davison (The Doctor), Janet Fielding (Tegan Jovanka), Sarah Sutton (Nyssa), Matthew Waterhouse (Adric), Fenella Woolgar (Leanne), Sacha Dhawan (Matthew), Stephen Greif (Sabaoth), Carolyn Seymour (Mrs Stubbs), Philip Childs (Giles), John Banks (Louie), Rebecca Tromans (Nancy).