all depends on what you mean by 'categorically'
Morgan Freeman played Red in Shawshank, Halle Berry played Catwoman, Whitney Houston played the Fairy Godmother etc.
Thank you.
Well the arguments put forward revolved around Margaret Thatcher and Muhammad Ali. These are figures who were filmed and photographed many times. There is little doubt as to their racial origin. Even now I am struggling to come up with a word that fits better than categorically...I'm sure there is one.
I'm guessing Catwoman's image orignally appeared in Comic Book form so there will be an image; but there is precedence for a black actor playing the role in Eartha Kitt.
Fairy Godmother from folk tales initially? So i'm guessing they would be the colour of whatever the folk telling the tales were and reflective of their societies of the time! And you can imagine that there are variations on the themes across the globe.
I've never read Shawshank was the race of the character of particular import in the source material?
You see to me, it actually isn't that important who plays what role. As stated it will be about the writing, the directing, the performance (and possibly budget) as to whether it will be plausible or not. I don't watch Doctor Who but I hope the actor is successful in the role, because the show brings a lot of joy to a lot of people. There seem to be some folks that will be delighted and wanting it to fail, which I think is a really sad and petty thing.