Teen actor Alfie Williams plays Spike in the new film 28 Years LaterWarning: This article contains major spoilers for 28 Years Later.28 Years Later filmmaker Danny Boyle has spoken out about the inspiration for the twist at the end which truly no one could have seen coming.Much has already been made of the unexpected turn that the movie takes in its final moments, which sees its 12-year-old protagonist Spike, played by newcomer Alfie Williams, exploring the infected mainland by himself.He’s then taken in by an apparent cult group, led by a new character played by Jack O’Connell, referred to in the credits as Sir Jimmy Crystal.Jimmy and his followers can all be seen in matching white-blonde wigs and shell suits, in an apparent nod to