Full Cast — Merlin (2008–2012)

Colin Morgan

Merlin

Angel Coulby

Gwen

Bradley James

Arthur Pendragon

Katie McGrath

Morgana

Richard Wilson

Gaius

John Hurt

Kilgharrah (voice)

Anthony Stewart Head

Uther Pendragon

Rupert Young

Sir Leon / Leon

Eoin Macken

Gwaine / Sir Gwaine

Tom Hopper

Sir Percival / Percival

Tomiwa Edun

Elyan / Sir Elyan

Santiago Cabrera

Sir Lancelot / Lancelot

Nathaniel Parker

Agravaine de Bois

Michael Cronin

Geoffrey of Monmouth

Alexander Vlahos

Mordred

Michelle Ryan

Nimueh

Tom Ellis

Cenred

Caroline Faber

Hunith

Rhys Rusbatch

Guard

Alice Patten

Ygraine

Rick English

Black Knight / Thomas Collins (sin acreditar) / The Afanc

Trevor Sellers

Iseldir

Terence Maynard

Helios

Zee Asha

Audrey

Sophie Rundle

Sefa

Gary Lewis

Alator

Sarah Parish

Lady Catrina

Adam Godley

Jonas

Erin Richards

Eira

Liam Cunningham

Ruadan

Stephen McCole

Ragnor

David Durham

Tom

Ed Coleman

Morris

Gary Oliver

Gregory

Jake Phillips

Ghost Boy

Simon Nehan

Tom

Michael Jenn

Sidhe Elder

Duncan Meadows

Orn / Ewan

Calum MacPherson

Evoric

Jamie Kenna

Guard 1 / Dungeon Guard

Laura Donnelly

Freya

James Greene

Ferryman

Gemma Jones

The Cailleach

Kyle Lima

Caerleon's Guard / Guard

Lindsay Duncan

Queen Annis

Miranda Raison

Isolde

Ben Daniels

Tristan

Fintan McKeown

King Odin

Janet Montgomery

Princess Mithian

John Bradley

Tyr Seward

Maureen Carr

The Dochraid

John Lynch

Balinor