Robert Klein, a comedic force and versatile actor, has graced screens and stages for decades, leaving an indelible mark on entertainment history. While many know him for his groundbreaking stand-up specials like *A Child of the 50s* (1973) and hosting *Saturday Night Live*'s inaugural season in 1975, collectors primarily seek out his memorable film performances that often elevate their respective genres. His filmography includes cult favorites and mainstream successes that hold a special place in home video collections. From his early role in *The Owl and the Pussycat* (1970) to his supporting turns in '90s comedies such as *Mixed Nuts* (1994) and *One Fine Day* (1996), Klein consistently delivered. However, it's his role in the rom-com touchstone *How to Lose a Guy in 10 Days* (2003) that remains a highly sought-after title across VHS, DVD, and Blu-ray, a testament to his enduring appeal and the film's consistent collectibility. Klein’s ability to blend humor and depth makes his cinematic appearances cherished additions to any WatchRoster.