Thalia is Paloma Kwiatkowski
According to Imdb, Kaya Scodelario is rumored to be playing Thalia Grace.
Thalia's mother, who is named Sally Jackson, is from New York City. She is a mortal woman and a significant character in Rick Riordan's "Percy Jackson & the Olympians" series. Sally is known for her warmth and resilience, and she plays a crucial role in Thalia's and Percy’s lives.
They never outright said it but they hinted towards that twice in the series.
Thalia has electric blue eyes, black spiky hair, and freckles.
the 2010 Percy Jackson series is about Percy being lost and Annabeth looking for him. She and many others including Thalia there are new characters in the end one of the new characters knows where he is. i couldn't put it down hope this helps:)
Thalia can opt to leave the hunters. This answer came from the Percy Jackson Wikia.
Percy's cousin who is the daughter of Zeus is Thalia Grace. She is a demigod and a prominent character in Rick Riordan's "Percy Jackson & the Olympians" series. Thalia is known for her strong personality, bravery, and leadership qualities, especially as a Hunter of Artemis.
Thalia likes Luke as a friend, but that quickly disappears when she finds out that Luke is evil.
The nereid in "The Lightning Thief" is a sea nymph named Thalia Grace. She is the daughter of Zeus and is a key character in the "Percy Jackson and the Olympians" series. Thalia plays an important role in Percy's journey in the books.
Thailia grace
Yes, Thalia will come in the second book, but only at the end.