Katherine Langford

Nimue

Devon Terrell

Arthur

Gustaf Skarsgård

Merlin

Daniel Sharman

Weeping Monk

Sebastian Armesto

King Uther Pendragon

Lily Newmark

Pym

Peter Mullan

Father Carden

Matt Stokoe

Gawain

Billy Jenkins

Squirrel

Tobi King Bakare

Josse

Clive Francis

Pope Abel

Bella Dayne

Red Spear/Viking Captain/Guinevere

Polly Walker

Lady Lunette

Richard Henderson

Gaston

Robert Ryan

Gramaire Sword Seller

Anton Valensi

Sir Dellum

Sofia Oxenham

Eydis

Sarah-Jane De Crespigny

Druid

Joseph Macnab

Trent

Ben Allen

Footman 1

Christopher Sciueref

Captain Anax

Shalom Brune-Franklin

Sister Igraine

Florence Hunt

Nimue (Aged 10)

Clare Holman

Lady Cacher