Young spy Harriet Welsch crosses paths with popular student Marion Hawthorne as the two girls vie to become the official blogger of their high school class.

(JTA) — Michelle Trachtenberg, who starred in films and TV shows ranging from “Harriet the Spy” to ... appeared in a recurring role on the prep school drama “Gossip Girl.” ...

but “Harriet the Spy” opened my world. Seeing it on the big screen was a revelation, the closest I had ever come to religion ...