It wasn't until Vader saw Luke, his son, in pain and in danger that he was willing to break decades of loyalty to Palpatine. This truly was a great form of irony, as Palpatine had long attempted ...
For example, something that bothers a lot of new fans is: why the hell didn't the Jedi catch Palpatine (Ian McDiarmid) sooner? He was always right next to them! Couldn't they have used the Force ...
Ian McDiarmid almost didn't play Palpatine due to another actor's casting. McDiarmid's portrayal of Palpatine spans all Star Wars trilogies, solidifying his irreplaceable legacy. Lucas considered ...