| A | B |
| Flavius and Marcellus | break up the crowd honoring Caesar |
| Julius Caesar | emporer of Rome |
| Casca | First to stab Caesar |
| Calpurnia | Caesar's wife |
| Mark Antony | devoted follower of Caesar |
| Soothsayer | warns Caesar to "Beware the ides of March." |
| Brutus | joins and leads the conspiracy to kill Caesar |
| Cassius | organizes the conspiracy and gets Brutus to join |
| Cicero | Roman senator |
| Cinna | plants the forged letter for Cassius |
| Cinna the poet | mistaken for Cinna the conspirator |
| Lucius | servant to Brutus |
| Decius | convinces Caesar to go to the seante |
| Metellus | distracts Caesar so conspirators can kill him |
| Trebonius | takes Antony away from murder scene so he can't interfere |
| Portia | wife of Brutus |
| Ligarius | vows to follow Brutus |
| Publius | escorts caesar to senate |
| Artemidorus | gives Caesar a letter of warning |
| Papilus | escorts Caesar to senate |
| Octavius | heir of Julius Caesar |
| Lepidus | used by Octavius and Antony |
| Pindarus | servant to Cassius |
| Lucilius | mistaken for Brutus and captured by Antony's soldiers |
| Messala | reports Portia's death, discovers Cassius' body |
| Varro | servant to Brutus |
| Claudius | servant to Brutus |
| Titinius | guards tent at Sardis |
| Cato | sodier in Brutus and Cassius' army |
| Clitus and Dardanius | servants to Brutus, refuse to kill him |
| Volumnius | friend/servant of Brutus who won't hold his sword |
| Strato | holds Brutus' suicide sword |