Stephen Fry
Sir Simon de Canterville (voice)

Hugh Laurie
Grim Reaper / Gardener / Swordsman / Monster / Old Duke (voice)

Freddie Highmore
Henry Duke of Cheshire (voice)

Emily Carey
Virginia Otis (voice)

Imelda Staunton
Mrs Umney (voice)

Meera Syal
Lucretia Otis (voice)

David Harewood
Hiram Otis (voice)

Miranda Hart
Algernean Van Finchley (voice)

Toby Jones
The Reverend Chasuble (voice)

Jakey Schiff
Louis Otis (voice)

Bennett Miller
Kent Otis (voice)

Bill Lobley
Lord Monroe (voice)

Keiron Self
Professor Borsakov / Guests (voice)

Giles New
The Colonel / Guests (voice)

Lynne Seymour
Mrs Borsakov / Guests (voice)

Georgia Small
Marjorie Fairfax / Guests (voice)