(in order of appearance)
Dionysus: | the god of wine and drama |
Xanthias: | his long-suffering slave |
Heracles: | the divine strong man, half-brother of Dionysus |
A Corpse: | at his funeral |
Charon: | the boatman to the Underworld |
Chorus of Frogs: | competitive singers who live in the lake |
A Priest: | who leads the Initiates |
Chorus of Initiates: | initiates of the Mysteries (followers of secret cults of Iacchus and Demeter) |
Doorman: | serving at the house of Pluto |
Landlady: | aggrieved Underworld innkeeper |
Plathane: | another aggrieved Underworld innkeeper |
Euripides: | the great, recently-deceased tragedian |
Aeschylus: | the great, long-dead tragedian |
Pluto: | the god of the Underworld |
…and more: | attendants and guards and so on… |