Paloma Kwiatkoski will be playing the role of Thalia Grace.
It has not yet been confirmed who will play Thalia Grace. There are many different rumors, and non of them have been proved true yet.
It has not yet been confirmed who will play Thalia in the Sea of Monsters. However, it is rumored by fans that Brenda Song will play Thalia.
the castfrom the first movie will return as their characters, annasophia robb has been rumored to play thalia
she is playing Thalia in the sea of monsters
Percy, Annebeth, Luke, Grover, Chiron, (all same actors) then for the new characters there is: Tyson (a cyclopes) and Thalia Grace.
To tell you the truth I don't think that Thalia will be in the movie considering that they didn't mention her tree in the movie.....also that they didn't put in a lot of the characters from the book such as Clarisse. Thalia has to be in the second or at least the third movie! Thalia plays a huge art in both of them! Even if Thalia is only in the last few pages of the Sea of Monsters, it still is an important part. If Thalia isn't in the Sea of Monsters movie, she has to be in The Titan's Curse or else everything is going to be totally different.
The main characters are Percy, Annabeth, Tyson, and Thalia.
Not exactly. Thalia appears towards the end of the episode due to the healing powers of the Golden Fleece. The Golden Fleece manages to restore Thalia's soul to her body, so , she is 'resurrected'
Luke poisons Thalia's tree. He and his army of evil people who are siding Kronos wanted the camp destroyed. They said first camp and then they would move on to Olympus.
im pretty sure Alexandra Daddario will play Annabeth Chase in the Sea of Monsters
If they make a second movie one of the the parts needed is Thalia (who by the way comes in at the VERY end).
they will be held Sepember 24. 2010 in NYC i will be trying out for Thalia