Rhadamistus (rah-dah-MIHS-tuhs), the king of Armenia, the son of Pharasmanes but reared by Mithridates as his own child. When Mithridates turns against him, Rhadamistus attacks his foster father’s kingdom, murders him, and, in a rage, throws his own bride Zenobia into a river, from which she is rescued without his knowledge. Later, as Roman envoy at the court of Pharasmanes, he learns that Zenobia is alive. He begs for and receives her forgiveness and is mortally wounded as he attempts to flee with her.
Zenobia (zee-NOH-bee-ah), also called Ismenia, Mithridates’ daughter and the wife of Rhadamistus. To protect her father from Rhadamistus, she marries him, only to be thrown by her husband into a river and left for dead. Rescued, she becomes a prisoner of Pharasmanes, who desires to marry her. She, in turn, is in love with Arsames, to whom Pharasmanes finally relinquishes her in his remorse over his killing of his son Rhadamistus.
Pharasmanes, Rhadamistus’ father. His jealousy and lust for power lead him into conflict with his son Rhadamistus, whom he kills. In remorse, he sacrifices his throne and the widowed Zenobia to Arsames.
Arsames, another of Pharasmanes’ sons, in love with Zenobia.
Mithridates (mihth-rih-DAY-tees), Zenobia’s father and Rhadamistus’ foster father.
Phenice, Zenobia’s confidante.
Hiero, Rhadamistus’ companion.
Hydaspes, Pharasmanes’ confidant.
Mithranes, the captain of Pharasmanes’ guard.