Overview
Agamemnon is a fabula crepidata (Roman tragedy with Greek subject) of c. 1012 lines of verse written by Lucius Annaeus Seneca in the first century AD, which tells the story of Agamemnon, who was killed by his wife Clytemnestra in his palace after his return from Troy.
Characters
Thyestis umbra (Thyestes' ghost), uncle of Agamemnon
chorus
Clytemnestra, wife of Agamemnon
nutrix (nurse)
Aegisthus, son of Thyestes, lover of Clytemnestra
Eurybates, messenger of Agamemnon.
Cassandra, Trojan princess, captive of Agamemnon
Agamemnon, king of Myceneae, and leader of the Greeks in the Trojan War.
Electra, daughter of Agamemnon and Clytemnestra
Strophius, king of Phocis, husband of Agamemnon's sister
Orestes (silent role), son of Agamemnon, brother of Electra
Pylades (silent role), son of Strophius, friend of Orestes
The scene is laid partly inside and partly outside the palace of Agamemnon at Argos or Mycenae, on the day of the return of the king from his long absence at Troy, beginning in the period of darkness just preceding the dawn.
Plot
The blood-feud between Atreus and Thyestes was not ended with the vengeance which Atreus wreaked upon his brother. It was fated that Thyestes should live to father upon his own daughter a son, Aegisthus, who would slay Atreus and bring ruin and death upon Agamemnon.
From Wikipedia (CC BY-SA 4.0).