Helena Bonham Carter Jen Voice Paul Kaye Cosmos Voice Will Sharpe Elias Voice Susan Wokoma Rosa Voice Jarvis Cocker Contractor Voice Mia Goth Mabel Voice Miranda Richardson Aunt Clarice Voice Tommy Hibbitts Policeman Voice Matthew Goode Raymond Voice Claudie Blakley Penelope Voice Stephanie Cole Great Aunt Eleanor Voice Mark Heap Mr. Thomas Voice Joshua McGuire Uncle George Voice Charlotte Bavasso Producer Alexandra Walker Production Design Glen Gathard Sound Editor Paloma Baeza Director Niki Lindroth von Bahr Director Emma De Swaef Director Marc James Roels Director Enda Walsh Writer