- Conducted By:
- Julius Rudel
- Shepherd boy:
- David Prather (treble)
- Pier Francesco Orsini, Duke of Bomarzo.:
- Salvador Novoa (tenor)
- Silvio de Narni, an astrologer:
- Richard Torigi (bass-Baritone)
- Nicolas Orsini, Pier Francesco's nephew:
- Joaquin Romaguera
- Diana Orsini, Pier Francesco's grandmother:
- Claramae Turner (contralto)
- Ptcr Francesco's brothers (as child ren) (speaking parts) Girolamo:
- Andres Aranda
- Maerbale:
- Manuel Folgar
- Pier Francesco (as a child) (speaking part):
- Patricio Porras
- Gian Corrado Orsini his father:
- Michael Devlin (baritone)
- A messenger:
- Nico Castel (tenor)
- Pantasilea, a courtesan:
- Joanna Simon (mezzo-Soprano)
- Girolamo (as an adult):
- Robert Gregori (baritone)
- Maerbale (as an adult):
- Brent Ellis (baritone)
- Julia Farnese Pier Francesco's wife:
- Isabel Penagos (soprano)