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)

Sven Wollter

Odd Couple (voice)

Yvonne Lombard

Odd Couple (voice)

Tommy Hibbitts

Police Officer #1 (voice)

Ayesha Antoine

Police Officer #2 (voice)

Jason Barnett

Visitors & Relatives (voice)

Wayne Forester

Visitors & Relatives (voice)

Poppy Gathard

Visitors & Relatives (voice)

David Holt

Visitors & Relatives (voice)

Melanie Hudson

Visitors & Relatives (voice)

Emma Tate

Visitors & Relatives (voice)

Susan Wokoma

Rosa (voice)

Helena Bonham Carter

Jen (voice)

Paul Kaye

Cosmos (voice)

Will Sharpe

Elias (voice)