Attack the Block is a 2011 urban comedy sci-fi film directed by Joe Cornish and produced by Nira Park. The film targets young adults aged 15-35 through its story of teenagers in London who must defend their neighborhood from an alien invasion. The movie poster uses various visual elements to appeal to this target audience, such as depicting the teenage characters, including people from different backgrounds, and showing the London skyline. These elements are intended to draw in young viewers and represent urban life while also broadening the audience.