The idea that an unpopular government can be changed by assasination is far from old hat. The related link shows how often people attempt to get rid of unpopular leaders or other public figures by assassination.
Any modern day actor could play Caesar. One of the things about Shakespeare is that there are virtually no rules about who can play what. Women have played Hamlet and Romeo; men have played Rosalind...
Plenty of them. Real actors mould themselves to the character they are going to play. Therefore you should look for actors who have played a number of different kinds of roles, not who keep playing...
"Beware the Ides of March"
It is said that a soothsayer warned Caesar ahead of time of the date of his assassination on 15 March 44 BC, known as the Ides of March, an auspicious day in the Roman...
From my very own Literature on Julius Caesar
http://www.me.com/literary-device/literature/william-shakespeare/julius-caesar/symbols-imagery-allergy.html
Symbols
Omens: Ghosts
Ghosts the fatful...
he is the role of caesar
he plays a role that is look up to by everyone in rome that is why brutus and the conspittors killed him because he didn't want rome to be a monarcy