Aria, Hanna, Emily and Spencer and Alison may have been the most popular girls at Rosewood High, but in that school’s defense, the entire yearbook read like a Who’s Who of teen TV royalty.
Let’s look back at some of the guest stars who have become even better known since crossing paths with the Pretty Little Liars:
![Falcon and Winter Soldier Just Added Emmy Winner to the MCU as [Spoiler]](https://tvline.com/wp-content/uploads/2021/04/falcon-winter-soldier-walker-contessa.png?w=620)
