| A | B |
| Oedipus | The king of Thebes, whose sharp mind and quickness to action have made him an admired and successful leader. |
| Jocasta | Wife and mother of Oedipus, who takes her own life once the truth is revealed. |
| Creon | Brother of Jocasta and royal family member who is accused of plotting against the king and eventual inherits the throne. |
| Antigone | Daughter and half-sister of Oedipus who appears at the end of the play to say goodbye. |
| Sophocles | Author of the play Oedipus Rex |
| Tiresias | The blind prophet or seer who knows that the terrible prophecy has come true. |
| Choragos | Speak as one voice representing the elder citizens of Thebes, reacting to the events of the play. |
| Priest | comes to the royal house to tell Oedipus of the city’s suffering and to ask Oedipus to save Thebes once more. |
| Messenger | A man from Corinth who gave baby Oedipus to the King and Queen of Corinth and informs him that King Polybus and Queen Merope are not his real parents. |
| Shepherd | The former servant of King Laius who took pity on the baby Oedipus and spared his life and who also witnessed the death of Laius. |
| Merope | Mother of Oedipus who tells him to disregard the comments regarding his parentage. |