- Unknown:
- Felix Wolfes
- Music By:
- Hans Pfitzner
- Conductor:
- Robert Heger
- Pope Pius IV:
- Georg Wieter
- Cardinals of the Pope:
- Giovanni Morone: Ferdinand Frantz
- Cardinals of the Pope:
- Bernardo Novagerio: Franz Klarwein
- Cardinal Christoph Madruscht Bishop of Trent:
- Max Probstl
- Carlo Borromeo a Roman Cardinal:
- Hans Hotter
- Cardinal of Lothrmgen:
- Hans Ducrue
- Abdisu, the Patriarch of Assyria:
- Walter Carnuth
- Anton Brus von Muglitz Archbishop of Prague:
- Georg Wieter
- Count Luna, spokesman of the King of Spain:
- Albrecht Peter
- Italian Bishops:
- Bishop of Budoja: Carl Ostertag
- Italian Bishops:
- Theophilus, Bishop of Imola: Mathias Mertes
- Italian Bishops:
- Dandini of Grosseto: Karl Mosch
- Italian Bishops:
- Bishop of Fiesole: Peter Kaussen
- Italian Bishops:
- Bishop of Fettre: Otto Schmidt
- A young doctor:
- Gertrud Friedrich-List
- Avosmediano, Bishop of Cadiz:
- Rudolf Wunzer
- Giovanni Pierluigi Palestrina, choir-master in the church of S Maria Maggiore in Rome:
- Julius Patzak
- Ighino, his fifteen-year-old son:
- Kathe Nentwig
- Silla Palestrina's seventeen-year-old pupil:
- Katja Sabo
- Bishop Ercole Severolus, master of ceremonies of the Council of Trent:
- Benno Kusche
- A Spanish Bishop:
- Willi Schmitz
- Choristers of S. Maria Maggiore:
- Karl Hopper
- Choristers of S. Maria Maggiore:
- Adolf Keil
- Choristers of S. Maria Maggiore:
- Karl Mosch
- Choristers of S. Maria Maggiore:
- Walter Carnuth
- Choristers of S. Maria Maggiore:
- Rudolf Wunzer
- The ghost of Lucrezia Palestrina's former wife:
- ,ina Gerhein
- The ghosts of dead composers:
- : Walter Carnuth
- The ghosts of dead composers:
- : Karl Mosch
- The ghosts of dead composers:
- : Carl Ostertag
- The ghosts of dead composers:
- : Karl Hopper
- The ghosts of dead composers:
- : Benno Kusche,
- The ghosts of dead composers:
- : Adolf Keil
- The ghosts of dead composers:
- : Hans Ducrue
- The ghosts of dead composers:
- : Rudolf Wunzer
- The ghosts of dead composers:
- : Georg Wieter
- Angel voices:
- : Valerie Bak.
- Angel voices:
- : Hanna Scholl
- Angel voices:
- : Ingrid Steger
