Mia Goth

Mabel (voice)

Matthew Goode

Raymond (voice)

Claudie Blakley

Penelope (voice)

Eleanor De Swaef-Roels

Isobel (voice)

Mark Heap

Mr. Thomas (voice)

Stephanie Cole

Great Aunt Eleanor (voice)

Miranda Richardson

Aunt Clarice (voice)

David Peacock

Uncle Lucien (voice)

Barnaby Pilling

Van Schoonbeek (voice)

Jarvis Cocker

Developer (voice)