Secrets of Britain Pełna obsada

Samuel West Narrator (głos)

Peter Hawkshaw Sidney Reilly / François Benjamin Courvoisier (Kamerdyner Lorda Williama Russelsa / Morderca)

Paul Binkley Detective Inspector (Retired), Curator, Crime Museum, New Scotland Yard (on sam)

John Chambers Ripperologist (on sam)

Kate Colquhoun Author, Murder in the First Class Carriage (ona sama)

Jeff Edwards President, Crime Reporters Association (on sam)

Jonathan Evans Archivist, Royal London Hospital Museum (on sam)

John Farndon Dramatist, Napoleon of Crime (on sam)

Judith Flanders Author, The Invention of Murder (ona sama)

Lee Nicholas Harris Policjant z lat 40. / Pracownik wydziału śledczego / Członek gangu

Kevin McMannis (on sam)

Alan Moss Chief Superintendent (Retired), Police Historian (on sam)

John Shatford Detective Chief Superintendent (Retired), Scotland Yard Flying Squad (on sam)

Keith Skinner Historical Researcher (on sam)

Katherine D. Watson Senior Lecturer, Oxford Brookes University (ona sama)

Gordon Corera (on sam)

Oleg Gordievsky (on sam)

John Scarlett (on sam)

Jelena Bekvalac (ona sama)

Jason Desporte (on sam)

Adrian Murdoch (on sam)