Félix Mandel, an internationally renowned astrophysicist, is married with a four-year-old son and often has his head in the clouds.
| Production | Anne Soisson | Casting |
| Directing | Arthur Joffé | Director |
| Writing | Arthur Joffé | Writer |
| Writing | Guy Zilberstein | Writer |
| Production | Christopher Granier-Deferre | Line Producer |
| Production | Margaret Ménégoz | Producer |
| Sound | Angélique Nachon | Original Music Composer |
| Sound | Jean-Claude Nachon | Original Music Composer |
| Camera | Philippe Welt | Director of Photography |
| Editing | Marie Castro | Editor |
| Art | Michèle Abbé-Vannier | Production Design |
| Costume & Make-Up | Valérie Pozzo di Borgo | Costume Design |