4. The King of Maridunum (2026)
A Britain bleeds, Merlin must forge unity from chaos — while darkness moves behind kings and blades.
Release date: 2026-02-05
Season number: 1
Episode number: 4
Runtime: minutes
Cast
Tom Sharp
as Merlin
Rose Reid
as Charis
James Arden
as Taliesin
Emree Franklin
as Morgain
Myles Clohessy
as Uther
Finney Cassidy
as Aurellius
Brett Cooper
as Ganieda
Alex Laurence - Phillips
as Pelleas
Colin Cunningham
as Vortigern
Nicholas Boulton
as Morcant
Daniel Fathers
as King Avallach
Steve Varnom
as Custennin
David Brooks
as Tewdrig
Alex Arco
as Meurig
Thor Rosland
as Hengist
Tom Tidiman
as Aldwyn
George Osborne
as Lot
Rebecka Johnston
as Rhonwyn