The movie tells the story about a girl who has to hide and survive from a right wing terrorist while looking for her little sister during the terrorist attacks in Norway on the island Utøya, July 22nd.
| Directing | Erik Poppe | Director |
| Production | Stein B. Kvae | Producer |
| Production | Finn Gjerdrum | Producer |
| Camera | Martin Otterbeck | Director of Photography |
| Editing | Einar Egeland | Editor |
| Sound | Wolfgang Plagge | Original Music Composer |
| Art | Harald Egede-Nissen | Production Design |
| Costume & Make-Up | Rikke Simonsen | Costume Design |
| Visual Effects | Torgeir Busch | VFX Supervisor |
| Art | Mirjam Sveinbjörg Thorkelsdottir | Production Design |
| Writing | Siv Rajendram Eliassen | Screenplay |
| Writing | Anna Bache-Wiig | Screenplay |
| Writing | Erik Poppe | Idea |
| Production | Stein B. Kvae | Executive Producer |
| Production | Finn Gjerdrum | Executive Producer |
| Production | Jan Petter Dickman | Executive Producer |
| Production | Erik Poppe | Executive Producer |
| Production | Roy Anderson | Line Producer |
| Costume & Make-Up | Christina Lovery | Costume Design |
| Costume & Make-Up | Elisabeth Bukkehave | Makeup Designer |
| Writing | Jan Trygve Røyneland | Script Consultant |
| Writing | Finn Gjerdrum | Script Consultant |
| Sound | Gisle Tveito | Sound Recordist |
| Sound | Ingar Pedersen | Sound Recordist |
| Production | Linda Løvås Angyal | Post Production Coordinator |
| Editing | Camilla Holst Vea | Colorist |
| Sound | Gisle Tveito | Supervising Sound Editor |
| Sound | Gisle Tveito | Sound Re-Recording Mixer |
| Sound | Vidar Grande | Sound Designer |
| Sound | Gunn Tove Grønsberg | Sound Editor |
| Sound | Roy Fenstad | Foley |
| Sound | Yvonne Stenberg | Foley |
| Sound | Yvonne Stenberg | Dialogue Editor |
| Sound | Hans Møller | Sound Re-Recording Mixer |
| Visual Effects | Stein B. Kvae | VFX Supervisor |
