Last month, we brought you the news when Nathan Fillion (Castle) and Anthony Head (Merlin, Dancing on the Edge) joined the cast of Percy Jackson & The Olympians: The Sea Of Monsters, which is being directed by Thor Freudenthal (Diary of a Wimpy Kid).

Now, Deadline reports that Vancouver high school student Paloma Kwiatkowski will make her big-screen debut as Thalia in Fox 2000‘s forthcoming follow-up to the Chris Columbus directed 2010 adaptation of author Rick Riordan’s novel Percy Jackson and the Olympians: The Lightning Thief.

Kwiatkowski is captain of her high school’s improv team and scored the role the role after her very first audition.

Percy Jackson & the Olympians: The Sea of Monsters starring Logan Lerman, Alexandra Daddario, Melina Kanakaredes, Brandon T. Jackson, Mary Birdsong, Yvette Nicole Brown, Missi Pyle, Douglas Smith, Paloma Kwiatkowski, Anthony Head and Nathan Fillion is slated to hit theaters on March 27th, 2013.