Sam loves facts. He wants to know about UFOs and horror movies and airships and ghosts and scientists, and how it feels to kiss a girl. And because he has leukemia he wants to know the facts about dying. Sam needs answers to the questions nobody will answer.
| Directing | Gustavo Ron | Director |
| Writing | Gustavo Ron | Screenplay |
| Camera | Miguel P. Gilaberte | Director of Photography |
| Sound | César Benito | Original Music Composer |
| Editing | Juan Sanchez | Editor |
| Production | Matt Western | Casting |
| Art | Jason Carlin | Production Design |
| Art | Alice Norris | Art Direction |
| Costume & Make-Up | Susannah Buxton | Costume Design |
| Costume & Make-Up | Irene Napier | Makeup Artist |
| Costume & Make-Up | Kerry Nicholson | Makeup Artist |
| Directing | Jon Jennings | Second Assistant Director |
| Directing | Charlie Leech | First Assistant Director |
| Directing | Ruth Atkinson | Script Supervisor |
| Crew | Álvaro Ron | Executive Music Producer |
| Crew | Gary Connery | Stunt Coordinator |
| Production | Martyn Auty | Producer |
| Production | Javier Gazulla | Producer |
| Production | Celestino Hermida | Executive Producer |
| Production | Sandra Jobling | Executive Producer |
| Production | Jaime Martui | Executive Producer |
| Production | Will Nicholson | Associate Producer |
| Production | Nicholas Ostler | Co-Producer |
| Visual Effects | Chema Alba | Digital Effects Producer |
| Camera | Alan Peebles | Still Photographer |
| Writing | Sally Nicholls | Novel |
