Nora Zehetner has signed to do an arc on NBC's new drama "Heroes," playing a hip, Bohemian struggling actress in New York. Zehetner, who most recently appeared in the indie "Brick," is on the big screen in "Conversations With Other Women." Zehetner, who recurred on WB Network's "Everwood," is repped by the Gersh Agency and manager Paul Nelson of Mosaic Media Group.