Nicholas Hoult as Jack

Eleanor Tomlinson as Princess Isabelle

Ewan McGregor as Elmont

Stanley Tucci as Roderick

Ian McShane as King Brahmwell

Bill Nighy as General Fallon

Eddie Marsan as Crawe

Ewen Bremner as Wicke

Warwick Davis as Old Hamm

Ralph Brown as General Entin

Andrew Brooke as Fye

Ben Daniels as Fumm

Daniel Lapaine as Jack's Dad

Angus Barnett as Foe

Alex MacQueen as Tour Guide

Tandi Wright as The Queen

Lee Boardman as Badger

Christopher Fairbank as Uncle

Cornell John as Fee

Simon Lowe as Monk

Mingus Johnston as Bald

Joy McBrinn as Old Maid

Chris Brailsford as Blacksmith

Craig Salisbury as Panto Erik the Great

Peter Bonner as Panto Monk

Richard Dixon as King's Artiste

John Kassir as General Fallon's Small Head

Lee Whitlock as Small Drunk

Jody Halse as Fat Drunk

Philip Philmar as Cook Giant

Peter Elliott as Sentry / Bugler Giant

Don McCorkindale as Tongue Giant

Tayler Marshall as 1st Child

Amber Vertannes as 2nd Child

Hattie Gotobed as Little Girl

Joe E Salazar as Roddy

Steven Williams as Master of Secrets

John Lebar as Panto Giant 1

Phill Martin as Panto Giant 2

Steve Haze as Panto Musician

Tim Foley as Jack's Father

Michael Self as Young Jack

Sydney Rawson as Young Isabelle

Byron Coll as Soldier

Aaron Jackson as Soldier

Caroline Hayes as Jack's Mum (uncredited)

Duncan JC Mais as King's Foot Soldier (uncredited)

Santi Scinelli as Soothsayer (uncredited)

Joseph Dewey as The King's Paige (uncredited)

John Scott as Foot Soldier (Uncredited)

Annabelle Davis as Pantomine Extra (uncredited)