Various Characters
Mr Jackson
Georgie
Jacob Marley
Presenter
Himself - Presenter
Steven Crosswell
Menenius Agrippa
Kenyon
The Man
Narrator
Himself
The Captain
Self - Actor and Writer
Self
Self
Sherlock Holmes
Mr Banham
various
Himself / Mark Gatiss
Gabriel Book
Sherlock Holmes
Frank Parris / Oscar Berlin
George
Larry Grayson
Himself
Earl of Sandwich
Isaac Newton
Frank Renfield
Sir Robert Cecil
Mr. Harmony
Self
Major Benjamin 'Benjy' Flint
Prince Regent
Rich
Dr. Quentin Questa (voice)
Self
Stephen Gardiner
Self
The Captain
