The film follows the staging of the opera Olimpiade while at the same time exploring the dramatic life of its composer Josef Mysliveček, a friend and teacher of W. A. Mozart.
Unfortunately the movie Confession of the Vanished is not yet available on Disney Plus.
| Directing | Petr Václav | Director |
| Writing | Petr Václav | Idea |
| Writing | Petr Václav | Screenplay |
| Camera | Miroslav Janek | Director of Photography |
| Editing | Florent Vassault | Editor |
| Editing | Florent Mangeot | Editor |
| Sound | Michael Míček | Sound Recordist |
| Sound | Daniel Němec | Sound Designer |
| Sound | Daniel Němec | Sound Mixer |
| Production | Jiří Merunka | Executive Producer |
| Production | Jan Macola | Producer |
| Sound | Josef Mysliveček | Original Music Composer |
