Directed by
| James Bloor | ||
Writing Credits (in alphabetical order)
| James Bloor | ... | (creator) |
Cast (in credits order)
| Naomi Scott | ... | Lydia | |
| Olivia Cooke | ... | Dark Voice (voice) | |
| Rest of cast listed alphabetically: | |||
| Genevieve Gaunt | ... | Georgie & Mrs. Trefusis | |
| Kadiff Kirwan | ... | Ollie | |
| John Mawson | ... | Mr. Trefusis | |
| Bel Powley | ... | Soft Voice (voice) | |
| Iris Svis | ... | Snezana | |
 |
Abi Tedder | ... | Samira |
Produced by
| Fred Berger | ... | executive producer |
| Olivia Cooke | ... | executive producer |
| Chris Ferguson | ... | co-executive producer |
| David Henning | ... | executive producer |
| Rob Herting | ... | executive producer |
| Shin Yin Hiyu | ... | producer |
| Brian Kavanaugh-Jones | ... | executive producer |
| Andy Levine | ... | co-executive producer (as Andrew Levine) |
| Marlaina Mah | ... | producer |
| Bel Powley | ... | executive producer |
| Tess Ryan | ... | supervising producer |
| Naomi Scott | ... | executive producer |
| Jordan Spence | ... | executive producer |
| Sandra Yee Ling | ... | supervising producer |
| Michele Zarate | ... | co-producer |
Music by
| Deron Johnson | ... | (QCode Head of Music) |
| Jeremy Wallace Maclean | ... | (original music and composition) |
Casting By
| Andrea Bunker | ... | (guest roles) |
| Chelsea Ellis Bloch | ||
| Marisol Roncali | ||
Second Unit Director or Assistant Director
| Kelsie Adams | ... | assistant director |
Sound Department
| Eugenio Battaglia | ... | sound designer and mixer |
| Will Chen | ... | assistant sound editor |
| Alex Lara | ... | sound editor |
| Brayden McCluskey | ... | sound editor |
| Ben Milchev | ... | audio engineer |
| Neely Oeftering | ... | assistant audio engineer |
| Ryan Walsh | ... | Additional Editor / audio engineer |
| Alvin Wee | ... | additional sound editor |
Editorial Department
| Rachel Yanover | ... | post coordinator |
Script and Continuity Department
| Sarah Garrettson | ... | script supervisor |
Additional Crew
| Sam Brain | ... | production coordinator |
| Christina Bulbrook | ... | production legal |
| Gillian Evenas | ... | production assistant |
| Jack Freedman | ... | production coordinator |
| Lindsay Keele | ... | production legal |
| Pin-Chun Liu | ... | production accounting |
| Brandon Weisner | ... | production coordinator |
| Nathan Yan | ... | production assistant |