Every so often, a genre film defies convention and becomes a critical and commercial success. Often, those films explore lofty ideas in a way that is different than every other film like it to create something special. 28 Days Later is a film like that. SUNSHINE is another. Even Dredd, which I found to be highly overrated, delivers something outside of the norm for science fiction and action movies in general. What do those three films have in common? Screenwriter Alex Garland.