Long Live the Royals

Kieran Culkin

Peter (voice)

Nikki Rapp

Alex

Horatio Sanz

Allistair,Knight #1, Gorgeous, Mud Dad

Peter Serafinowicz

Frederick, Announcer,Demonic Hare

Nonso Anozie

Demonic Hare, Gregor

Fred Armisen

Gavin, Brody

Julian Barratt

Harold the Guard, Ace

Jermaine Fowler

Demarcus

Ellie Kemper

Mudria

Ken Marino

Snake

Alfred Molina

Rupert, Neil

Jordi Mollà

King Diego Belafonte

Christopher Corey Smith

Knight #2

Jon Daly

King Rufus (voice)

Wendi McLendon-Covey

Queen Eleanor (voice)

Jeremy Redleaf

Peter (voice)

Gillian Jacobs

Rosalind / Katherine (voice)