Mckenna Bridger is an American actress from Redondo Beach, California. She is known for her work across film, television, and digital productions, including Three Months to Break Your Heart (2025), Disclosure Day (2026), and Stranger Things (2016). Bridger began her professional acting career in the mid-2020s and has since appeared in a range of film, television, and digital productions. Her early screen work includes an appearance in The Umbrella Academy (2019), in which she portrayed the character Holly, followed by a role in the television mini-series Dominated by My Father's Killer (2025). She starred as Violet in the psychological thriller Nightmare (2026) and appeared in the short film Houseplant (2025), portraying the character Audrey Priestly. She also portrays Grace Hayes, the younger sister of Summer Hayes, in the vertical drama series Three Months to Break Your Heart (2025), and appears in the final season of Stranger Things (2016). Her screen work further includes involvement in Disclosure Day (2026) and Untitled Jack Ryan Project (2026). Before stepping into the entertainment industry, she spent most of her youth exploring a wide range of creative and athletic pursuits. She trained in dance, gymnastics, figure skating, and soccer, which helped her develop confidence, discipline, and a strong sense of performance. Her passion for acting began early on, appearing in multiple school plays and community theater productions. While in high school, she performed in stage versions of Herakles and Romeo and Juliet, experiences that strengthened her love for storytelling and helped prepare her for a future in screen acting. In addition to acting, Bridger has gained experience behind the camera. She served as a co-writer and producer on Nightmare (2026), contributing to both the creative and production sides of the project. She has also worked as a production assistant and served as a stand-in for the Netflix series Stranger Things (2016), expanding her experience across multiple areas of film and television production.