In 1976, Jack Unterweger was convicted for the murder of Margaret Schaefer and sentenced to life in prison. While imprisoned, he committed himself to reading and writing, eventually earning literary respect both inside and outside the penitentiary. In 1984, his autobiography "Fegefeuer" (Purgatory) became a bestseller.
| Crew | Kirk von Heflin | Cinematography |
| Sound | Antonio Vivaldi | Music |
| Writing | Jack Unterweger | Writer |
| Writing | Martin Haselböck | Idea |
| Directing | Matthias Leutzendorff | Director |
| Writing | Michael Sturminger | Writer |
| Sound | Luigi Boccherini | Music |
| Sound | Ludwig van Beethoven | Music |
| Writing | Birgit Hutter | Idea |
| Sound | Martin Haselböck | Conductor |
| Sound | Wolfgang Amadeus Mozart | Music |
| Sound | Joseph Haydn | Music |
| Directing | Michael Sturminger | Director |
