Irish musician Glen Hansard is the star of the film Once, according to reports from several Australian outlets. Once is described as a modern-day musical set in Dublin and centered on the relationship between a busker and an immigrant. The film follows their week together, portraying events that unfold as the pair spend time navigating personal and artistic challenges. Across the sources, the focus remains on Hansard’s role as the lead performer and on the movie’s premise: a dramatic, music-driven story developed around street performance and human connection. While the sources provide consistent high-level information about the cast and plot setup, they do not include additional specifics such as supporting cast, release details, or critical response. Overall, the accounts agree that Once combines musical performances with a storyline set against Dublin’s backdrop, following a busker and an immigrant through an eventful week.