character - Doctor Strange

character - Theo

character - Uncle Nubar

character - Dad

character - Vincent

character - Self (archive footage)

character - Henry Sugar / Max Engelman / Harry (archive footage)

character - Benjamin

character - Mr. Thomas (voice)

character - AB

character - Self (archive footage)

character - Narrator

character - Harry Pope

character - Henry Sugar / Make-Up Artist

character - The Grinch (voice)

character - Self - Narrator (voice)

character - Daddy (voice)

character - Self

character - Self - Doctor Stephen Strange

character - Doctor Stephen Strange

character - Self (archive footage)

character - Self (archive footage)

character - Doctor Strange

character - Stephen Strange / Doctor Strange (voice) (archive footage)

character - Phil Burbank

character - Louis Wain

character - Doctor Strange (voice)

character - Doctor Strange / Strange Supreme (voice)

character - Doctor Strange / Strange-Supreme (voice)

character - Strange Supreme / Demon Strange (voice)

character - Self

character - Lt. Stuart Couch

character - Stephen Strange / Doctor Strange (archive footage) (uncredited)

character - Self - Narrator

character - Self

character - Greville Wynne

character - Colonel MacKenzie

character - Benedict Cumberbatch

character - Satan (voice)

character - Doctor Strange

character - The Grinch

character - The Grinch (voice)

character - Dominic Cummings

character - Shere Khan (voice)

character - Grinch (voice)

character - Grinch (voice)

character - Doctor Strange (archive footage)

character - Stephen Lewis

character - Patrick Melrose

character - Doctor Strange

character - Thomas Edison

character - Doctor Strange

character - Narrator (voice)

character - Norman Lewis (voice)

character - Dr. Stephen Strange

character - Self - Performer

character - All

character - Himself

character - Sherlock Holmes

character - Hamlet

character - Billy Bulger

character - Self

character - Man at Costume Party

character - Smaug / Sauron (voice)

character - Classified (voice)

character - Alan Turing

character - Narrator (Voice)

character - Agent Classified (voice)

character - Narrator

character - Self

character - Self

character - Himself / Sherlock Holmes

character - Self

character - Little Charles Aiken

character - Sherlock Holmes

character - Narrator (Prehistoric Planet 3D Version)

character - Smaug / Sauron

character - Narrator (voice)

character - Wallace

character - Rosencrantz

character - William Ford

character - Julian Assange

character - John Harrison / Khan

character - Narrator

character - Necromancer

character - Dante (voice)

character - Narrator (Voice)

character - Self / Frankenstein / The Monster

character - Narrator (voice)

character - Christopher Tietjens

character - Richard

character - Richard III

character - Self

character - Sherlock, Self

character - Maj. Jamie Stewart

character - David

character - Peter Guillam

character - Self

character - The Creature / Victor Frankenstein

character - Nick Kaufman

character - Himself

character - Sherlock Holmes

character - Self

character - Self / Sherlock Holmes

character - James

character - Negotiator

character - Stephen Hawking

character - Vincent Van Gogh

character - Henry Clark

character - Bernard

character - Joseph Dalton Hooker

character - Guy Burgess

character - Narrator (voice)

character - William Carey

character - Stephen Ezard

character - Alexander Masters

character - Joe / Charlie

character - Paul Marshall

character - Self

character - Self - Guest

character - William Pitt

character - Patrick Watts

character - Self - Guest

character - Will Parker

character - Narrator (voice)

character - Edmund Talbot

character - Robin

character - Luke Fitzwilliam

character - Stephen Hawking

character - Lt Jimmy Langley

character - Rory Slippery

character - Royalist

character - Edward Hand

character - Self

character - Freddy

character - Self

character - self

character - Jeremy

character - The Man

character - Jim North

character - Self

character - Self

character - Self

character - Warren Reid

character - Self

character - Toby Fisher

character - Charles

character - Severus Snape / Prime Minister (voice)

character - Quilloughby (voice)

character - Self - Host

character - Self - Cameo (uncredited)

character - Self

character - Lewis

character - Doctor Stephen Strange

character - Jasper Maskelyne

character - The Fisherman

character - Frank

character - Tom

character - Self - Presenter