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