Ellise Chappell as Jennifer Strange

Andrew Buchan as The Great Zambini

Richard E. Grant as Dragon (voice)

Adeel Akhtar as Mr. Brittles

Matt Berry as King Snodd

John Bradley as Gordon

Pauline Collins as Lady Mawgon

Genevieve Gaunt as Hermione Twizzle

Noah Jupe as Tiger Prawns

Bob Goody as Sentry Serf

Jack Loxton as Mike Scrum

Ricky Tomlinson as Moobin

Nina Wadia as Mother Xenobia

George Webster as Sir Grifflon

Amelia Crouch as Young Jennifer Strange

Charles Maddox as Young Gordon

Jill Buchanan as Villager

Sarah Flind as Souvenir Stall Holder

Danielle Bjelic as TV News Reporter

Phoebe Campbell as Girl at Stuffco

Colin Michael Carmichael as Prison Cart Guard 1

Elizabeth Chan as Lawyer

Anna Chancellor as Stuffco president

Sarah Crowden as Pritchett Lane House Owner

Gioacchino Jim Cuffaro as Villager

John Dagleish as Wizard Bloacklock

James Dryden as Soldier with Brittles

Marcus Fraser as Dragoon Guard One

Tom Godwin as Stuffco Secretary

John Kinory as Market trader

Jacob Krichefski as Festival Runner

Sam Kronis as Grifflon's Guard

Eric Lampaert as King's Seer

Bruce Mackinnon as Producer

Nick Mohammed as Brian - Dragonslayer

Colin Murtagh as Menacing Thug

Mimî M. Khayisa as TV News Anchor

Steve Saunders as Villager

Anick Wiget as TV Crew

Rocci Williams as Kings guard