The Emperor's original Return of the Jedi actor would have greatly changed Star Wars.
1 / 8
Alan Webb was initially cast, but he had to step down due to an illness. He died in June 1982.
2 / 8
Ian McDiarmid, who was much younger, came aboard shortly after.
3 / 8
McDiarmid added a lot to the character, including the trademark voice.
4 / 8
He was also passionate about the role and didn't want anyone else to play it.
5 / 8
If Webb had been able to be in ROTJ, Palpatine would have needed to be recast for the prequels.
6 / 8
But the main crux of the Skywalker saga narrative would probably have stayed the same.
7 / 8