character - Ted Gilbert

character - NSA

character - Self

character - Frank Parris / Oscar Berlin

character - Earl of Sandwich

character - Earl of Sandwich (voice)

character - Sir John Gielgud

character - Isaac Newton

character - Sherlock Holmes

character - Self

character - NSA

character - Larry Grayson

character - Jacob Marley

character - Self

character - Sherlock Holmes

character - Doctor MacLean

character - Ivor Montazac

character - Mr. Wickens

character - Henry Huxley

character - Self

character - Mr Murphy

character - Donald

character - The Man

character - Self

character - Self

character - Himself

character - Himself - Presenter

character - Frank Renfield

character - Himself

character - Mr. Harmony

character - Peter Mandelson (voice)

character - Radio Announcer (voice)

character - Lord Marlborough

character - George III

character - Various Characters

character - Himself - Presenter

character - Giles Winslow

character - Ronald Hall

character - The Captain

character - Sir Robert Cecil

character - Narrator

character - Dr. Landers

character - Prince Regent

character - Professor Robert Jan van der Pelt

character - Joel

character - Billy Matlock

character - Colonel Theakes

character - Himself

character - Mycroft Holmes

character - Dettweiler

character - Rich

character - Himself

character - Steven Crosswell

character - Self

character - Dr. Quentin Questa (voice)

character - Peter Mandelson

character - Stephen Gardiner

character - Major Benjamin 'Benjy' Flint

character - Self

character - Self

character - Himself - Narrator (voice)

character - Callum

character - Self

character - Menenius Agrippa

character - Himself / Mark Gatiss

character - Self

character - Presenter

character - Self

character - Himself

character - Narrator

character - Self - Host

character - Self

character - Self - Actor and Writer

character - Mr Jackson

character - Tycho Nestoris

character - Henry Rackham Junior

character - Cavor

character - Self - Presenter

character - Himself

character - Mycroft Holmes

character - Self

character - Self / Mycroft Holmes

character - Malcolm McLaren

character - Himself

character - Self

character - Ernest Dunks

character - Duff Purves

character - Mr. Snow

character - The Curator

character - Colonel Black

character - Self - Contestant

character - John Dashwood

character - PC Butcher

character - Robert Louis Stevenson

character - Apsley Cherry-Garrard

character - Himself

character - (segment "Don't") (uncredited)

character - Roddy McDowel

character - Rat

character - Hilary Briss / Mickey Michaels / Val Denton / Les McQueen / Lance Longthorne / Alvin Steele / Phil Proctor / Mrs Beasley / Mick McNamara / Neds / Lotte Lipp / Brian Morgan / Dr Chinnery / Iris Krell / Bobbin

character - Johnnie Cradock

character - Bamber Gascoigne

character - Himself

character - Ping-Pong Player

character - Miss Blight (voice)

character - Self - The League of Gentlemen

character - Various Characters

character - Additional Vogon Voices

character - John Paterson

character - Self

character - Gantok

character - Richard Lazarus

character - The Captain

character - Narrator

character - Ronald Hawes

character - Self

character - Kenyon

character - Terry Scanlon

character - Self

character - Radio Presenter With 'Spaceship' Theory / Wildlife voiceover (voice) (uncredited)

character - Jeremy

character - Peter

character - Glenn Bulb

character - Self

character - House Agent

character - Self

character - Viking (voice)

character - Louis Aragon

character - Teddy - Agent

character - John Trant

character - various

character - Hang Man Chang

character - Self

character - Porter

character - Mark

character - Mr. Borusa

character - The Doctor

character - Agent

character - Junior Detective

character - Rev Giles Shawcross

character - Mr. Emerson

character - Self - Interviewer

character - Georgie

character - Mr Banham

character - Bowmer

character - Dr. William Bruffin

character - Diner Manager

character - Leonard Boynton

character - Gabriel Book