- Vocal Solo
- Medeia (soprano)
Orpheus (tenor)
Jason (baritone)
- Medeia (soprano)
- Mixed Chorus (SATB)
- Orchestra
- 2 flutes (2nd also piccolo), 2 oboes, 2 clarinets (B flat ), 2 bassoons
4 horns (F), cornets (B flat ), 3 trombones, tuba, timpani, cymbals, strings
- 2 flutes (2nd also piccolo), 2 oboes, 2 clarinets (B flat ), 2 bassoons