Warwick Davis as Master Moley (voice)

Gemma Arterton as Mona Lisa (voice)

Togo Igawa as Mystic Mole (voice)

Richard E. Grant as The Gardener (voice)

Charles Dance as Mr. James Moley (voice)

Julie Walters as Mrs. Elizabeth Moley / Queen (voice)

Calum Callaghan as Milo / American Elder (voice)

Amanda Drew as Melony (voice)

Sean Baker as Royal Guard / Guest (voice)

James Reatchlous as The Duke (voice)

Tony Nottage as Geeky Mole (voice)

Arthur Landon as Rodrigo (voice)

Leia Nottage as Child Mole (voice)

Kris Milnes as (voice)

Joseph Balderrama as (voice)

Stephen Critchlow as (voice)

Rupert Holliday-Evans as (voice)

Jo Hall as (voice)

Stephanie Thomas as (voice)

Alison Dowling as (voice)

Julia Brans as (voice)