| MMarina FrenkHost & narrator (voice) | Host & narrator (voice) |
| VValentin SchwarzSelf - stage director | Self - stage director |
| AArmin TröschSelf - antiquarian bookseller specialising in music and theatre | Self - antiquarian bookseller specialising in music and theatre |
 Barrie KoskySelf - stage director | Self - stage director |
 Camilla NylundSelf - soprano | Self - soprano |
| EEva RiegerSelf - musicologist & social sciences and gender researcher | Self - musicologist & social sciences and gender researcher |
| FFriederike WißmannSelf - musicologist | Self - musicologist |
| SSteffen VogtSelf - author | Self - author |
| AAndreas HomokiSelf - stage director | Self - stage director |
 Tomasz KoniecznySelf - bass-baritone | Self - bass-baritone |
 Simone YoungSelf - conductor | Self - conductor |
 Slavoj ŽižekSelf - philosopher & cultural critic | Self - philosopher & cultural critic |
 Patrice ChéreauSelf (archive) - stage director | Self (archive) - stage director |
 Pierre BoulezSelf - conductor | Self - conductor |
| MMarcus LobbesSelf - director of the Academy for Theater and Digitality in Dortmund | Self - director of the Academy for Theater and Digitality in Dortmund |
| NNils CorteSelf - creative technologist | Self - creative technologist |
