A hidden crypt… a mysterious late-night visitor… and a figure emerging from an old family tomb…

Welcome to the last Sherlock Holmes story that Sir Arthur Conan Doyle ever wrote.

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 by Tony Onuchukwu

Sound Supervisor: Tom Pink

Compositions: Dorry Macaulay and Oliver Baines

Mix & Mastering: Ralph Tittley

Series Consultant: Dan Smith

Executive Producer: Katrina Hughes

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