6. Bölüm

Bill Paterson

Sir Arthur Conan Doyle

Anna Maxwell Martin

Agatha Christie

Mark Bonnar

Billy

Adrian Scarborough

Chief Inspector Danders

Rosie Cavaliero

Dorothy L Sayers

Nick Mohammed

Horace Lambardi

Celeste Dodwell

Nancy Neele

Hugh Coles

Junior Police Officer

Tor Clark

Angela the Receptionist

Rupert Cross

Pianist

David Boyle

Journalist

Robert James-Collier

Col. Archie Christie