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.

• 47 Meters Down: Uncaged (2019)

  
• Light as a Feather (2018)

  
• Unhuman (2022)

  
• Uglies (2024)

  
• Gone in the Night (2022)