Katharina Matz is a distinguished actress whose work has left a lasting impact on the film landscape, particularly among collectors of physical media. Best known for her role in the 2014 thriller *Who Am I*, Matz showcased her versatile acting skills in a gripping narrative that combines technology with psychological tension. This film has become a sought-after title for collectors, not only for its engaging plot but also for the way it captures the zeitgeist of modern digital anxieties. Beyond *Who Am I*, Matz's extensive body of work includes various appearances that highlight her range, making her a respected figure in both independent and mainstream cinema. Collectors seek out her films not only for their artistic merit but also for the rarity of certain releases, especially in formats like Blu-ray and limited edition DVDs. As physical media continues to thrive, Matz's contributions to film remain a treasure trove for enthusiasts looking to enrich their collections with unique and impactful performances.