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.
| Crew | Carola Hofstätter | Makeup Effects |
| Camera | Daniel Ronacher | Drone Cinematographer |
| Lighting | Dave Armstrong | Lighting Technician |
| Editing | Thomas Schorn | Color Grading |
| Lighting | Christoph Ribitsch | Lighting Technician |
| Camera | Thomas Schorn | Camera Operator |
| Lighting | Bernhard Somera | Lighting Technician |
| Visual Effects | Robin Aristorenas | Animation |
| Camera | Raphael Planer | Drone Cinematographer |
| Sound | Simon Hornett | Sound |
| Lighting | Michael Wagner | Lighting Technician |
| Crew | Eva Hauswirth | Makeup Effects |
| Editing | Stefan Resch | Editor |
| Production | Marlene Beran | Producer |
| Writing | Alistair Audsley | Writer |
| Writing | Hannes Michael Schalle | Writer |
| Production | Hannes Michael Schalle | Producer |
| Art | Stefan Resch | Art Direction |
| Directing | Hannes Michael Schalle | Director |
| Crew | Guenther Mitterhuber | Post-Production Manager |
