^^^Besides Ol' Ian Played Palpatine in both trilogies. For the prequels he was up there in age and he was one of the better parts of it.
Long as none of them are suffering from Alzheimer disease or dementia I think it should be workable...I mean at this point we only know THAT they are filming, not what it will be.
While I want to grumble, I'm going to wait and see until I start bitching.
That's right, Bixby Snyder folks.