| A | B |
| Calphurnia | Caesar's wife |
| Casca | relates how Caesar refuses the crown |
| Soothsayer | warns about the ides of March |
| Antony | offers Caesar the crown |
| Brutus | man whom Cassius tries to sway |
| Caesar | says: "cowards die many times before their deaths" |
| Artemidorus | writes letter warning Caesar of conspiracy |
| Brutus | finally agrees to join the conspiracy |
| Cicero | senator whom Brutus refuses to ask to join conspirators |
| Portia | wife of Brutus |