Not even fans of 28 Days Later seem to talk about the ill-fated Mark, but he's a key character during the movie's first half. This Danny Boyle movie brought fresh life to the zombie genre in 2002, which had largely been dormant since the 1980s. Sure, the Rage Virus-infected technically aren't undead like classic zombies, but they're still honorary members.
The film's success also paved the way for later zombie fare like the Dawn of the Dead remake and The Walking Dead . While the original wasn't designed with sequels in mind, the 28 Days Later franchise has become one of the most unique in the entire genre.
They're very, very British and bleak, but they also feature star-studded casts (Cillian Murphy, Jeremy Renner, Rose Byrne, etc.). The success of 28 Years Later