Here’s a rather interesting reveal but it turns out that Gary Oldman originally was going to voice the iconic Jedi hunter, General Greivous. While he didn’t play him on set, it seems that he sadly was replaced due to the union discussions at the time. In an interview with Happy Sad Confused Podcast, Oldman only confirmed that he had originally recorded for the voice role by nonother than George Lucas himself.
I did a voice for Star Wars…was it General Grievous? What happened was something to do with union stuff and non-union stuff…Lucas directed me through the whole thing; yeah, he was terrific.
It’s always interesting to find out what may or may not have been. The actor sadly doesn’t go into much detail to highlight just how exactly he was going to tackle the character, whose famous raspy voice and dying breath pushed him forward to take vengeance on Obi-Wan Kenobi.
While the character has long passed away in the Star Wars canon, they could revisit his days before he turned into what he had eventually turned into to highlight his transition. It would be the perfect opportunity to have Oldman give it another chance to voice the character in just a very different step of his life. With the various Disney+ projects, anything is possible.