The development of good characters in a literary work is vital to the progression and ending of said work. This development is done through direct and indirect characterisation by means of dialogue and actions. The characteristics of Cassius, a Roman Senator in William Shakespeare's play, The Tragedy of Julius Caesar, are portrayed through his actions, his own thoughts, and the thoughts of others. Through these progressions, Cassius is found to be a round character with multiple traits.

As an original conspirator, Cassius is eager to get more aid. In his dialogue in Act I with Brutus to get a "feel" of his thoughts of such an act, the reader is given an aspect of Cassius' personality, his ability to manipulate others to get what he wants out of them. He ultimately achieves Brutus' opinion of Caesar when Brutus utters the words; "I do fear the people [c]hoose...