Helena Bonham Carter Jen (voice)
Mia Goth Mabel (voice)
Matthew Goode Raymond (voice)
Will Sharpe Elias (voice)
Miranda Richardson Aunt Clarice (voice)
Claudie Blakley Penelope (voice)
Mark Heap Mr. Thomas (voice)
Paul Kaye Cosmos (voice)
Jason Barnett Visitors & Relatives (voice)
Stephanie Cole Great Aunt Eleanor (voice)
Glen Gathard Supervising Sound Editor
Susan Wokoma Rosa (voice)
Sven Wollter Odd Couple (voice)
Emma Tate Visitors & Relatives (voice)
Gail Stevens Casting
Jarvis Cocker Developer (voice)
David Holt Visitors & Relatives (voice)
Enda Walsh Executive Producer, Writer
Paloma Baeza Story, Executive Producer, Director
Gustavo Santaolalla Original Music Composer
Tobias Fouracre Animation Director
James Lewis Director of Photography
Emma De Swaef Story, Executive Producer, Director
Rebecca Farhall Casting
Johannes Nyholm Story
Yvonne Lombard Odd Couple (voice)
Melanie Hudson Visitors & Relatives (voice)
Wayne Forester Visitors & Relatives (voice)
Niki Lindroth von Bahr Story, Executive Producer, Director
David Peacock Uncle Lucien (voice)
Chad Orororo Sound Designer
Eleanor De Swaef-Roels Isobel (voice)
Lucy Benson VFX Editor
Barney Pilling Editor
Félicie Haymoz Character Designer
Hattie Storey Assistant Art Director
Ayesha Antoine Police Officer #2 (voice)
Alexandra Walker Production Designer, Production Design
Angela Poschet Line Producer
Charlotte Bavasso Producer
Marc James Roels Story, Executive Producer, Director
Bimini Police Officer #1 (voice)
Chris Tichborne Animation Director
Camilla Bubna-Kasteliz Story Editor
Malcolm Hadley Director of Photography
Christopher O'Reilly Producer
Barnaby Pilling Van Schoonbeek (voice)
Michael Freedman VFX Editor
Joost Zoetebier Production Manager
Brad Rees Sound Re-Recording Mixer
Connie Black Production Coordinator
Leigh Manning First Assistant Director
Diego Rosner Executive Producer
Adam Beer Storyboard Artist
Germán Díez Visual Effects Supervisor
Poppy Gathard Visitors & Relatives (voice)
Emiliyan Arnaudov Sound Designer