Update: 12th Nov Alexis Bledel will NOT be in Lost this season. We are still awaiting news on the others casting items. Thanks to thedemonhog for informing us via an EW.COM post.
Thanks to Annie for the heads up that there have been some updates to IMDB regarding some Season 6 Episode. As always take IMDB with a pinch of salt :).
Episode 6.02 - LA X - Part 2
Alexis Bledel to play Janna Austen
IMDB Profile
Episode 6.02 - LA X - Part 2
Troy Vincent to play Oceanic Rep
IMDB Profile
Episode 6.06 - Sundown
Aramis Knight to play Sam
IMDB Profile