Kay Thompson, a multifaceted talent born in 1909, left an indelible mark on film and literature. While she is widely celebrated as the creator of the beloved Eloise series, her acting career also showcased her unique flair, particularly in the 1961 cult classic "Who Killed Julie Greer?" This thriller not only highlights her dynamic performance but also serves as a significant piece for collectors who appreciate the intersection of literature and cinema. Thompson's work in film may not be as extensive as her literary contributions, but it resonates deeply within collector circles, especially among those drawn to vintage cinema. "Who Killed Julie Greer?" stands out for its intriguing narrative and Thompson's captivating presence, making it a sought-after title on VHS and DVD. Collectors often seek out her films to celebrate the era's unique storytelling and to appreciate the contributions of a woman who could seamlessly blend artistry across various mediums.