1725 Venice Version
Vocal: Viriate (S), Ismene (S), Erminio (S), Siface (A), Orcano (T), Libanio (T)
Orchestra: 2 oboes, 2 trumpets, 2 horns, strings, continuo
1730 Rome Version
Vocal: Siface (S), Viriate (S), Ismene (S), Erminio (S), Orcano (T), Libanio (B)
Orchestra: 2 flutes/recorders, 2 oboes, 2 fagottini, bassoon, 2 trumpets, 2 horns, strings, continuo