A sinister intelligence lurks on the streets of 1887 London - and the Doctor's only hope is to join forces with England's most notable consulting detective - Sherlock Holmes...Based on the original 1994 New Adventures novel by Andy Lane. Sylvester McCoy originally played the Doctor in 1987-1989, (then again in 1996) while his other work includes Radagast the Brown in Peter Jackson's epic The Hobbit films. Sophie Aldred's Ace companion is often viewed as Doctor Who's first contemporary young friend for the Doctor, setting out the template followed in later years by Rose Tyler (Billie Piper) and Clara Oswald (Jenna-Louise Coleman). Not only is this story an adaptation of a popular 1990s Doctor Who novel, but it features the Doctor teaming up with Sherlock Holmes - as played by Nicholas Briggs for Big Finish over the last five years! CAST: Sylvester McCoy (The Doctor), Sophie Aldred (Ace), Lisa Bowerman (Benny), Nicholas Briggs (Sherlock Holmes), Richard Earl (Doctor John Watson), Hugh Fraser (Sherringford Holmes), Anthony May (Baron Maupertuis), Aaron Neil (Tir Ram), Samantha Beart (Mrs Prendersly), Michael Griffiths (Ambrose), Guy Adams (K'Tcar'ch).