Bella Ramsey as Birdy

Billie Piper as Lady Aislinn

Andrew Scott as Lord Rollo

Lesley Sharp as Morwenna

Joe Alwyn as Uncle George

Sophie Okonedo as Ethelfritha Rose Splinter of Devon

Paul Kaye as Sir John Henry Murgaw aka Shaggy Beard

Dean-Charles Chapman as Robert

Isis Hainsworth as Aelis

Archie Renaux as Edward the Monk

Michael Woolfitt as Perkin

David Bradley as Lord Gideon Sidebottom

Mimî M. Khayisa as Lady Berenice Sidebottom

Ralph Ineson as Golden Tiger

Rita Bernard-Shaw as Meg

Jake Middleton Cooke as Alf

Adam Aziz as Gerd

Saskia Chana as Cornethia

Jamie Demetriou as Etienne, Manservant to Shaggy Beard

Akemnji Ndifornyen as Finneas the Steward

Russell Brand as Suitor from Kent

Christophe Tek as John of Normandy

Angus Wright as Fulk the Elder

Jacob Avery as Fulk the Younger

Douggie McMeekin as Lord Rolf of Saxony

Lawrence Hodgson-Mullings as Godfrey of Glardenmere

Bola Latunji as Balthasar of the Low Country

Jessica Ellis as Laundress

Jordan Adene as Mitten Man

Tyler Howitt as Lord Sungerk of Dunkerk

Jeffery Kissoon as Father Huy

Moya Brady as Nan the Midwife

Ramesh Nair as Tiger Salesman

Antony Bunsee as Old Man

Tim Bevan as Older Monk

Colin Murtagh as Wedding Guest (uncredited)

Volenté Lloyd as Villager (uncredited)

Trevor Jones as Peter (uncredited)

Chris Ecob as Pastry Chef (uncredited)