Historical accuracy: The movie takes some liberties with historical events and characters. For example, the play primarily revolves around the conspiracy to assassinate Julius Caesar and its aftermath. In contrast, the movie expands the scope of the story by including scenes set before and after the assassination, such as Caesar's rise to power and the Battle of Philippi.
Character portrayal: The movie offers different interpretations of certain characters. For instance, Cassius is depicted as a more sympathetic figure in the film, whereas he is portrayed as more cunning and ruthless in the play. Similarly, Brutus's motivations for joining the conspiracy are explored in greater detail in the movie.
Political intrigue: The play delves deeper into the political dynamics and power struggles within the Roman Republic. It provides a more nuanced exploration of the complex motivations of the characters and the impact of their actions on the political landscape. The movie, on the other hand, focuses primarily on the personal drama and conflicts among the central characters.
Dialogue and language: As might be expected, the film adaptation does not retain all of the original dialogue from the play. Some speeches and scenes from the play are adapted, shortened, or omitted entirely in the movie. Additionally, the movie uses modern language and expression at times, while the play adheres to the original Elizabethan English.
Themes: While the film retains the play's central themes of power, ambition, betrayal, and the consequences of political violence, it also emphasizes themes such as loyalty, honor, and friendship more prominently.
Supporting characters: The movie gives more attention to supporting characters like Portia, Caesar's wife, and Calpurnia, his wife, by expanding their roles and providing more depth to their characters.
Overall, the movie offers a cinematic interpretation of Shakespeare's play, adapting the story and characters to fit a modern film format while still retaining the essence of the original work.