Narrator (voice)
Narrator (Prehistoric Planet 3D Version)
Paul Marshall
Joseph Dalton Hooker
Narrator
William Carey
Stephen Strange / Doctor Strange (voice) (archive footage)
Stephen Hawking
Patrick Watts
William Pitt
The Negotiator
Self
Necromancer
Sherlock Holmes
Nick Kaufman
Henry Sugar / Max Engelman
Peter Guillam
Alexander Masters
Self (archive footage)
John Harrison / Khan
Frank
James
Mr. Thomas (voice)
Smaug / Sauron
Maj. Jamie Stewart
William Ford
David
Henry Clark
Smaug / Sauron (voice)
Joe / Charlie
Little Charles Aiken
The Grinch (voice)
Julian Assange
Lewis
Alan Turing
The Creature / Victor Frankenstein
Dante (Voice)
Harry Pope
Self - Doctor Stephen Strange
Wallace
Himself / Sherlock Holmes
Narrator (Voice)
Vincent Van Gogh
Classified (voice)
Billy Bulger
AB
The Grinch
Sherlock, Self
Man at Costume Party
Benjamin
Henry Sugar / Max Engelman / Harry
Theo
Stephen Strange / Doctor Strange
All
Jasper Maskelyne
Grinch (voice)
Jeremy
Uncle Nubar
Self - Performer
Hamlet
Shere Khan (voice)
Doctor Strange
Thomas Edison
Norman Lewis (voice)
Guy Burgess
Rosencrantz
Stephen Lewis
Doctor Stephen Strange
Royalist
Himself
Greville Wynne
Dominic Cummings
Colonel MacKenzie
Phil Burbank
Louis Wain
Benedict Cumberbatch
Daddy (voice)
Lt. Stuart Couch
Dr. Stephen Strange
Self / Frankenstein / The Monster
The Man
Self - Narrator
Agent Classified
Self - Guest
Warren Reid
Will Parker
Toby Fisher
Jim North
Luke Fitzwilliam
Stephen Ezard
Rory Slippery
Bernard
Edmund Talbot
Christopher Tietjens
Doctor Strange (voice)
Severus Snape / Prime Minister (voice)
Tom
Doctor Strange / Strange Supreme (voice)
Stephen Strange / Doctor Strange (archive footage) (uncredited)
Robin
Lt Jimmy Langley
Self - Narrator (voice)
Patrick Melrose
Richard Hannay
Self - Host
Edward Hand
Freddy
Doctor Strange / Strange-Supreme (voice)
Charles
Strange Supreme / Demon Strange (voice)
Richard
Richard III
Self - Presenter
Satan (voice)
Self / Sherlock Holmes
Self - Cameo (uncredited)
Vincent
Quilloughby (voice)
self