_THETIS_ _Mother of Achilles_.
_ACHILLES_ _disguised as PYRRHA_.
_LYCOMEDES_ _King of Scyros_.
_ULYSSES_ _Prince of Ithaca_.
_DIOMEDE_ _compassion of Ulysses_.
_ABAS_ _servant to Ulysses_.
_DEIDAMIA_ _daughter of Lycomedes_.
_CHORUS of SCYRIAN MAIDENS._
_The scene is on the Island of Scyros, in the gardens of the palace._
_Thetis prologises._