As a person of Iranian descent, I would think it'd be pretty cool to see some Iranian represantation in GTA V as we have a popultaion of 500.000 in L.A which is incredibly high. I already saw the Armenian-actor Michael Benyaer in the gameplay trailer saying the line "You tell me what you want, and I tell you exactly why it can not be", or something like that, So maybe time for Persian-Iranians?
I could totally see one as a crimnial lawyer or as the manager of a jewelry store.