Looks like the Sith have returned, so that a possibility.
And yes, that deep voice did sound suspect.
Max Von Sydow is in it (villain from Minority Report, also King Osric from
Conan, bodybuilding related
![Cheesy :D](http://www.getbig.com/boards/Smileys/classic/cheesy.gif)
). He's 85 years old and I'm not sure what role he would be playing in a Star Wars movie other than a Sith Lord, although he kind of looks like Alec Guinness so maybe he's playing Obi-Wan's force ghost.
Some tit I've never heard of (Adam Driver?) is rumored to be the villain as well.