Cast & Crew zu Chatroom
| William | Aaron Taylor-Johnson | |
| Eva | Imogen Poots | |
| Jim | Matthew Beard | |
| Emily | Hannah Murray | |
| Mo | Daniel Kaluuya | |
| Si | Jacob Anderson | |
| Jim's Father | Matthew Ashforde | |
| Emily's Mother | Dorothy Atkinson | |
| Man on Mobile Phone | Alex Blake | |
| Woman at Book Launch | Noa Bodner | |
| Mrs. Sinclair | Amanda Boxer | |
| Yorkshire Housewife | Lorraine Cheshire | |
| Grace | Megan Dodds | |
| Rosie | Michelle Fairley | |
| Young Jim | Matthew Fenton | |
| Ushi | Elarica Johnson | |
| Paul | Nicholas Gleaves | |
| Large Camden Man | Ross Gurney-Randall | |
| Tony Layton | Gerald Home | |
| Japanese Girl | Karin Ichihashi | |
| Gymnastics Coach | Abigail Leonard | |
| Young 'Dorfli' Boy | James Lester | |
| Charlotte | Ophelia Lovibond | |
| Keisha | Rebecca McLintock | |
| Ripley | Richard Madden | |
| Candy | Tuppence Middleton | |
| Tony Layton as Girl | Jodie Miller | |
| William as Girl | Alex Peck | |
| Psychiatrist | Mary Roscoe | |
| Betsy | Scarlett Sabet | |
| Laura | Emily Spires | |
| Brazilian Boy | Oliver Swainston | |
| Regie |
Hideo Nakata |
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| Buch |
Enda Walsh |
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| Kamera |
Benoît Delhomme |
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| Schnitt |
Masahiro Hirakubo |
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| Musik |
Kenji Kawai |
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