Hugh Bonneville

as Chris Hughes

as Ian Fletcher

as Himself - Host

as Self - Narrator (voice)

as Self - Narrator (voice)

as Marley

as Self - Narrator (voice)

as Robert Crawley

as Self

as The Headmaster

as Sir Charles

as Self - Video message

as Narrator

as Self - Narrator (voice)

as Robert Crawley (archive footage)

as James Richardson

as Henry Brown

as الراوي

as Douglas

as Erzähler

as Jonathan Wilde

as Narrator

as Self- Presenter

as Narrator

as Sir Charles

as DCI Brian Boyce

as Clio

as Lord Sylvester Carnaby (voice)

as The Mayor (voice)

as Self

as Hector Blake

as Self - Narrator

as Robert Crawley

as Narrator

as Narrator (voice)

as Narrator

as Narrator

as Narrator (Voice)

as Vypravěč

as Commander William Calthorpe

as Self

as Roald Dahl

as Narrator ("States of Mind")

as Narrateur

as Self

as Mr. Delacroix

as Self - Narrator (voice)

as Hugh

as One-eyed man

as Self

as Self

as Himself - Presenter

as Self

as Self

as Robert Crawley

as Self

as Wigbert (voice)

as Narrator - Self

as Hammond

as The Narrator

as Self

as Voice of the Library/The First Storykeeper (voice)

as Self

as Narrator

as Narrator

as Henry Brown

as Teddy Hall

as Merlin (voice)

as Santa Claus (voice)

as Narrator (voice)

as Lord Mountbatten

as Narrator (voice)

as Narrator

as Self

as Narrator

as Book Narrator (voice)

as Santa (voice)

as Narrator

as Self

as Narration

as Pirate King

as Self

as Henry Brown

as Narrator

as Self

as Narrator (voice)

as Self - Guest Star

as Irish Journalist

as Ian Fletcher

as Himself

as Self - Guest

as 2nd Lt. Donald Jeffries

as The Host

as Himself

as Self

as Leonard Orlov

as Book Narrator (voice)

as Secret Library (voice)

as Mr. Stink

as Gloucester

as Self

as Self

as Captain Henry Avery

as Himself - Narrator

as Ian Fletcher

as Narrator (voice)

as Lord Harrington

as Robert Crawley

as Ben Sanger

as Beachcomber

as Pilate

as Brian

as Gilbert

as Charles Pollock

as Captain Oldknow

as Self - Guest

as Philip Moore

as DSI Iain Barclay

as Jed

as Mr Bennet

as Gregory Parton

as Sir Hugh Carleton Greene

as Rev Brook Bridges

as Mr. Burrell

as Self

as DSI Iain Barclay

as Sebastian Burrows

as Pooter

as Tony Whittaker

as Gerry

as Self - Guest

as Self

as Prince Regent

as Julian

as Max Raphael

as Headmaster Felix Powers

as Fraser McBride

as Henry Avery

as Adult Ben (voice)

as Inspector Hewitt

as Lord Wisbeach

as Samuel Pepys

as Dr. Andrew Wakefield

as Philip Larkin

as Fr. Jack Dowling

as Brin Hopper

as James Lampton (uncredited)

as Self - Guest

as Ralph Banner

as Yevgraf Andreyevich Zhivago

as Henleigh Mallinger Grandcourt

as Self

as Eric

as James

as Ivo Pettifer

as Young John Bayley

as Bertrand

as Farmer

as Hugh Cazalet

as Louis

as Himself

as Julian Ormerod

as Charles Bovary

as Mr. Rushworth

as Bernie

as Tim Duggan

as Bob Boothby

as Bob Boothby

as HMS Bedford Air Warfare Officer

as Norman Tucker

as Self

as Ferdie Fitzgerald

as Daniel

as Peter Schneider

as Hugh Barton

as Gordon Muir

as Steve Hollingsworth

as Alan Sinclair

as Schiller

as Gerry (as Richard Bonneville)

as Daniel Aurifaber

as Daniel Aurifaber

as Victor Savage

as Sqdn. Ldr. Barton (as Richard Bonneville)

as Dominic Kent

as Self

as Inspector Dawson

as Rick Bayne

as Jas

as Edward Masterman

as Self - Narrator

as Victor Savage

as Self

as Self - Nominee

as Narrator

as Chris Hughes

as Gordan Hamm