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

Jamie Magnus Stone

Director