The last of the Triumvirs, this old man holds little real power and is used in Mark Antony's own words as a loyal, trusted man "Meet [fit] to be sent on errands:" (Act IV, Scene I, Line 13).
A well-known orator (public speaker) and Senator, Cicero is killed by the Triumvirs (Mark Antony, Octavius and Lepidus) following Caesar's assassination.
A Senator who travels with Caesar to the Senate House the day Caesar is killed, he witnesses Caesar's assassination. Though deeply "confounded" or confused and shaken by the assassination of Caesar (Act III, Scene I, Line 86), he is used by Brutus to tell the citizens of Rome that Caesar aside, no one else will be hurt (Act III, Scene I, Lines 89-91).
The Senator who terrifies Cassius by telling Cassius that he hopes his "enterprise [assassination attempt] today may thrive" or be successful just as Caesar goes into the Senate house on the "ides of March" (Act III, Scene I, Line 13).
One of the original conspirators against Caesar. Like the other conspirators he fears what life under King Caesar's rule could mean for him and the privileges he has.
One of the conspirators against Caesar, he starts the actual assassination of Caesar by stabbing first from behind.
The reluctantly assassin, Caius Ligarius at first hesitates in killing Caesar, but later enthusiastically follows the others in killing Caesar after Brutus restores his conviction.
A man who lures Caesar to his death by his deep understanding of Caesar's true vanity...who convinces Caesar to turn up to the Senate on the "ides of March" after Caesar announces that he is unwilling to attend the day's Senate because of his wife Calphurnia's dream foretelling doom. turns Calphurnia's dream into a reason to attend the Senate by cleverly reinterpreting its negative imagery to instead symbolize Caesar's triumph.
A conspirator against Caesar, it is his petition or request to Caesar for his brother's banishment to be overturned, that allows the conspirators to move close to Caesar, before they assassinate him with multiple stab wounds...
A conspirator against Caesar, who plays a key role in enlisting Brutus to their cause. It is Cinna who suggests to Cassius that Brutus join their conspiracy. Also assists Cassius' manipulation of Brutus by placing Cassius' letters responsible for manipulating Brutus where Brutus is sure to find and read them... Indirectly responsible for Cinna, the poet's death; since it is he the mob originally wished to kill...
The man who nearly saves Caesar, he presents Caesar with a letter warning warning Caesar that he will be killed (Act II, Scene III). Caesar however does not read the letter and so proceeds to his doom...