Bella Ramsey
Birdy

Billie Piper
Lady Aislinn

Andrew Scott
Lord Rollo

Lesley Sharp
Morwenna

Joe Alwyn
Uncle George

Sophie Okonedo
Ethelfritha Rose Splinter of Devon

Paul Kaye
Sir John Henry Murgaw aka Shaggy Beard

Dean-Charles Chapman
Robert

Isis Hainsworth
Aelis

Archie Renaux
Edward the Monk

David Bradley
Lord Gideon Sidebottom

Mimî M. Khayisa
Lady Berenice Sidebottom

Ralph Ineson
Golden Tiger

Rita Bernard-Shaw
Meg

Adam Aziz
Gerd

Saskia Chana
Cornethia

Jamie Demetriou
Etienne, Manservant to Shaggy Beard

Akemnji Ndifornyen
Finneas the Steward

Russell Brand
Suitor from Kent

Christophe Tek
John of Normandy

Angus Wright
Fulk the Elder

Jacob Avery
Fulk the Younger

Douggie McMeekin
Lord Rolf of Saxony

Jordan Adene
Mitten Man

Tyler Howitt
Lord Sungerk of Dunkerk

Jeffery Kissoon
Father Huy

Moya Brady
Nan the Midwife

Ramesh Nair
Tiger Salesman

Tim Bevan
Older Monk

Colin Murtagh
Wedding Guest (uncredited)

Volenté Lloyd
Villager (uncredited)

Rhys Humphreys
Fishmonger/Villager (uncredited)