Brianne Ashleigh Tju is an American actress. She is known for her roles as Riley Marra in the MTV series Scream, Alex Portnoy in the Hulu series Light as a Feather, Alexa in 47 Meters Down: Uncaged, and Margot in I Know What You Did Last Summer.
The series follows the lives of 4 high school girls whose clique falls apart after the disappearance of their leader. One year later, the estranged friends are reunited as they begin receiving messages from a mysterious figure named "A" who threatens to expose their deepest secrets.
