Characters and backgrounds:
- Hecuba - Wife of King Priam. Had 13 children with him (10 male: Hector, Paris, Deiphobus, Helenus, Polydorus, Troilus, Polites, Antiphus, Pammon, Hippnous // 3 female: Cassandra, Laodice, Polyxena).
- King Priam - Husband to Hecuba. Had 68 sons and 18 daughters in total from several wives!
- Agamemnon - Son of King Atreus and Queen Atrope. Brother of Menelaus. Husband of Clytemnestra. Father of Iphigenia, Electra, Orestes and Chrysothemis. He commanded the United Greek forced to begin the war after Paris abducts Helen.
- Polyxena - Daughter of Hecuba and King Priam. Gets sacrificed.
- Odysseus - Killed Deiphobus during the Sack of Troy (an episode of the Trojan War).
- Polymestor - The Thracian man who was supposed to keep Polydorus safe until the Trojan War was over.
- Talthybius - Friends with Agamemnon.
- Polydorus / Ghost of Polydorus - Son of Hecuba and King Priam. Murdered.
- Chorus of captive Trojan women - Slaves to the Greeks as a result of the war.
- Therapaina - Maid to Hecuba.
- Achilles - Killed Hector (the central Trojan hero in the Trojan War) by attaching his body to a cart and dragging him around town.
- Cassandra - Daughter of Hecuba and King Priam.
- Clytemnestra
I found this plot summary from the following website: http://web.randolphcollege.edu/greekplay/education/studyguidehecuba.pdf