| Opera in 5 acts and a prologue Libretto: Francesco Buti [Based: Sophocles: The Trachiniae and Ovid: Metamorphoses - ninth book]
 First performance: 7 February 1662, Salles des Machines, Tuilleries, Paris
 
 Cinzia (Cynthia), soprano
 Ercole (Hercules), bass
 Deianira, Ercole's wife, soprano
 Hyllo (Hyllus), son of Ercole, tenor
 Iole, soprano
 La bellezza (Beauty or Hebe, the Goddess of Youth), soprano
 Giunone (Juno), soprano castrato
 Mercurio (Mercury), tenor
 Nettuno (Neptune), bass
 Venere (Venus), soprano
 Tevere (The Tiber), bass
 Eutyro (Eurytus), bass
 Licco (Lichas), contralto
 Shade of King Laomedonte, tenor
 Shade of Bussiride, contralto
 Shade of Queen Clerica, contralto
 Paggio (A page), soprano
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