Mia Goth
Mabel (voice)

Matthew Goode
Raymond (voice)

Claudie Blakley
Penelope (voice)

Mark Heap
Mr. Thomas (voice)

Stephanie Cole
Great Aunt Eleanor (voice)

Miranda Richardson
Aunt Clarice (voice)

Jarvis Cocker
Developer (voice)

Sven Wollter
Odd Couple (voice)

Yvonne Lombard
Odd Couple (voice)

Bimini
Police Officer #1 (voice)

Ayesha Antoine
Police Officer #2 (voice)

Jason Barnett
Visitors & Relatives (voice)

David Holt
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)