Ben Chaplin
as Sir Thomas Langley
Blake Ritson
as Edward III
Charlotte Riley
as Caris
Laura Lock
as Odila
Nora von Waldstätten
as Gwenda
Oliver Jackson-Cohen
as Ralph
Tom Weston-Jones
as Merthin
Rupert Evans
as Godwyn
Aure Atika
as Queen Isabella
Cynthia Nixon
as Petranilla
Tatiana Maslany
as Sister Meir
Tom Cullen
as Wulfric
Miranda Richardson
as Mother Cecilia
Peter Firth
as Roland
Ian Pirie
as Elfric
Sarah Beck Mather
as Annet
Sarah Gadon
as Philippa
Carlo Rota
as Edmund
David Bradley
as Brother Joseph
Caroline Boulton
as Sister Elizabeth
Megan Follows
as Maud
Hera Hilmar
as Margery
Indira Varma
as Mattie Wise
Attila Árpa
as Jean de Grailly