Since there's not a real good way to have a concept page for this (nor is it really necessary), I just wanted to make a note about those rare, unique situations where the same actor is cast in the same role in a remake of the same film. Naturally this doesn't include sequels, where the same actor plays the same role in a new story all the time. The only one's I could come up with on my own were:
So I started Googling around and found a few others:
That's what I could come up with, but there's very likely others. Please feel free to comment if you can come up with any more!
(Edited to fix some bad links)