This documentary tells the story of the creation and cultural impact of the world's most famous Christmas carol, composed in 1818 in Salzburg, Austria, and since then translated into about 140 languages.
| Camera | Daniel Ronacher | Drone Cinematographer |
| Editing | Thomas Schorn | Color Grading |
| Camera | Raphael Planer | Drone Cinematographer |
| Lighting | Bernhard Somera | Lighting Technician |
| Visual Effects | Robin Aristorenas | Animation |
| Crew | Carola Hofstätter | Makeup Effects |
| Camera | Thomas Schorn | Camera Operator |
| Sound | Simon Hornett | Sound |
| Lighting | Dave Armstrong | Lighting Technician |
| Crew | Eva Hauswirth | Makeup Effects |
| Lighting | Michael Wagner | Lighting Technician |
| Lighting | Christoph Ribitsch | Lighting Technician |
| Production | Hannes Michael Schalle | Producer |
| Art | Stefan Resch | Art Direction |
| Production | Marlene Beran | Producer |
| Writing | Hannes Michael Schalle | Writer |
| Editing | Stefan Resch | Editor |
| Directing | Hannes Michael Schalle | Director |
| Writing | Alistair Audsley | Writer |
| Crew | Guenther Mitterhuber | Post-Production Manager |
