Siobhán Cullen is an acclaimed Irish actress whose career began on the stage before seamlessly transitioning to the screen. Her breakout role came in 2012 with Eoin Macken's horror film *The Inside*, which has since become a sought-after title among collectors for its unique blend of psychological tension and supernatural elements. This film not only showcased her talent but also marked a significant moment in indie horror, making it a valuable addition to any physical media collection. Beyond *The Inside*, Cullen's versatility shines through in various miniseries, including the gripping RTÉ1 and BBC One production *Paula* (2017) and the recently acclaimed *The Dry* (2022–2024). With her work drawing attention, especially after being named a Screen International Star of Tomorrow in 2022, collectors are eager to add her performances to their shelves. As she continues to rise in prominence, the demand for her earlier works is sure to grow, making them essential for any serious film aficionado.