| The third actor was called the tritagonist, and he played the smaller roles in each play, usually messengers and shepherds. |
| Aeschylus' younger rival, Sophocles, then added a third actor, the tritagonist, and was able to write more complex, more natural dialogue. |
| The deuteragonist could have played the nurse, Jason, and messenger, with the tritagonist playing the tutor, Creon, and Aegeus. |
| The first actor was the protagonist, the second the deuteragonist, and the third the tritagonist. |
| At this moment it has already become clear that Sonny is the protagonist and Sal the tritagonist. |
