Sister of Orestes, Electra plays a significant role in supporting her brother after Agamemnon's death, advocating for justice and retribution. She is depicted in the plays as experiencing a fall from grace following her father’s demise.

Wife of Agamemnon and Queen of Argos, known for her complex motivations and actions in the plays, particularly involving her relationship with Agamemnon and others in her life during his absence. Her character is deeply intertwined with themes of vengeance and justice.

King of Argos, who suffers a fateful demise upon his return from the Trojan War, sparking a chain of events that influence the entire narrative. His past decisions, particularly before and during the war, have significant ramifications for his family.

A Trojan princess and concubine to Agamemnon, Cassandra is characterized by her prophetic abilities, gifted and cursed by the god Apollo. Her unique insights and eventual fate are integral to the narrative.

Cousin of Agamemnon, Aegisthus becomes involved in the power struggles within the House of Atreus. His relationship with Clytaemnestra and his actions during Agamemnon's absence mark his role in the unfolding events.

The god who provides significant guidance and support to Orestes, particularly through his oracles and role in aiding Orestes' journey. His involvement highlights themes of divine intervention and justice.

The goddess who plays a critical role in establishing justice within the narrative, known for her wisdom and fairness. Her decisions and actions influence the resolution of the narrative’s central conflicts.

These characters are part of the narrative’s commentary, expressing loyalty and concern for Agamemnon while highlighting themes of power and helplessness in the unfolding drama.

These characters assist Electra and Orestes in their quest for justice, showcasing loyalty and the desire for change. They play a critical supporting role in the narrative.

Chthonic deities who emerge actively in the final play, embodying vengeance and justice. Their presence and actions shape the moral and ethical inquiries within the narrative.