Sherlock sinks his teeth into the mystery, as the supposed vampire is brought into the light…  A Noiser podcast production.   Narrated by Hugh Bonneville  Written by Sir Arthur Conan Doyle Produced by Duncan Barrett Script Supervisor: Chris McDonald Sound Design and Audio Editing: Tony Onuchukwu Sound Supervisor: Tom Pink Compositions: Dorry Macaulay and Oliver Baines Mix & Mastering: Ralph Tittley Series Consultant: Dan Smith Executive Producer: Katrina Hughes   For ad-free listening and early access to new episodes, join Noiser+. Just click the subscription banner at the top of the feed to get started. Or go to noiser.com/subscriptions Learn more about your ad choices. Visit podcastchoices.com/adchoices