 | Egill Ólafsson Kristófer |
 | Kōki, Miko (Young) |
 | Pálmi Kormákur Baltasarsson Kristófer (Young) |
 | Masahiro Motoki Takahashi |
 | Yōko Narahashi Miko |
 | Ruth Sheen Mrs. Ellis |
 | Masatoshi Nakamura Kutaragi |
 | Meg Kubota Hitomi |
 | María Ellingsen Ella |
 | Benedikt Erlingsson Dr. Stefánsson |
 | Sigurður Ingvarsson Jonas |
 | Starkadur Petursson Markús |
 | Tatsuya Tagawa Arai-San |
 | Charles Nishikawa Goto-San |
 | Eiji Mihara Dr. Kobayashi |
 | Akshay Khanna Philllip |
 | Theodór Júlíusson |
 | Kieran Buckeridge Receptionist London Hotel |
 | Brandy Row Tattoo parlor owner |
 | Masaya Mimura Naruki |
 | Rie Shibata Hashimoto |
 | Eugene Nomura Akira |
 | Katla M. Þorgeirsdóttir Marrige Councelor |
 | Anthony Bacigalupo British Man |
 | Harpa Elísa Þórsdóttir Sonja (voice) |
 | Andrew Barron Fishmonger |
 | Richard Rycroft School Official |
| Jules Tait Librarian |
| Jules Tait Hotel Receptionist - Japan |
| Ania Powazka Retirement Home Attendant |
| Ylva Þórsdottir Planman Duty Free Attendant |
| Paul Long Restaurant Waiter London |
 | Takashi Nishina Chef Kawasaki |
| Jo Kataoka Kawasaki's Son |
| Osamu Tanpopo Sake Bar Owner |
| Fumi Sugimoto Flower Shop Attendant |
| Kenta Ogawa Hotel Porter - Japan |
 | Masaru Yamashita Yamamoto-san |
| Hiroyuki Nomura Nippon Customer |
| Martin Wright Hotel Doorman |
| Ingibjörg Ásmundsdóttir Doctor's Assistant (voice) |
| Atsuko Sato Narrator |
| Ingvar Þór Björnsson Radio News Reporter |
 | Daigo Tanji Karaoke Bar Owner |
| Shiun Sato Shoe Shop Attendant |
| Kevin Tran Doorman in Harrow |
| Egill B. Hreinsson Piano Player |
| Giichi Takasawa Obstetrician |
| Miku Konishi Nurse |
| Yayoi Mizoguchi Nurse |
| Claire Woodland New Tenant |
| Directing | |
| Baltasar Kormákur | Director |
Writing | |
| Ólafur Jóhann Ólafsson | Novel |
| Ólafur Jóhann Ólafsson | Screenplay |
| Baltasar Kormákur | Screenplay |
Production | |
| James Bowsher | Line Producer |
| Mike Goodridge | Producer |
| Agnes Johansen | Producer |
| Sindri Páll Kjartansson | Line Producer |
| Baltasar Kormákur | Producer |
| Georgina Pope | Associate Producer |
Sound | |
| Högni Egilsson | Original Music Composer |
Camera | |
| Bergsteinn Björgúlfsson | Director of Photography |
Editing | |
| Sigurður Eyþórsson | Editor |
Production | |
| Selma Björnsdóttir | Casting |
| Yōko Narahashi | Casting |
Art | |
| Sunneva Ása Weisshappel | Production Design |
| Gunnar Pálsson | Art Direction |
| Nanna MBS | Set Decoration |
Costume & Make-Up | |
| Margrét Einarsdóttir | Costume Design |
| Christopher Þór Cleland | Tattoo Designer |
| Ásta Hafthórsdóttir | Makeup Designer |
Production | |
| Ingimar Gudbjartsson | Production Manager |
Sound | |
| Bergur Líndal Guðnason | Boom Operator |
| Kjartan Kjartansson | Sound Designer |
| Sindri Þór Kárason | Sound Effects Editor |
| Julien Naudin | Foley Artist |
| Katie Paterson | First Assistant Sound Editor |
| Guðrún Ragna Sigurjónsdóttir | Boom Operator |
| Kjartan Kjartansson | Sound Mixer |
Camera | |
| Sindri Snær Sigurðsson | Camera Intern |
