Raquel Laguna/ SUCOPRESS. Actor Hero Fiennes-Tiffin stars in THE LONELIEST BOY IN THE WORLD, directed by Martin Owen. In this interview, Hero talks about his passion for horror films, about working with Martin Owen in the movie and about how lonely he feels sometimes, especially when he travels for work. In THE LONELIEST BOY IN THE WORLD, when the sheltered and unsocialized Oliver (Max Harwood) is tasked with making new friends after the sudden and devastating death of his mother, he decides that digging a few up (literally) might be his best bet. However, when he awakens the morning after his excavating escapades, he discovers that his newly acquired friends have mysteriously come to life overnight, launching them all into a series of misadventures as they try to keep their secret safe from neighbors, bullies, and social workers alike. THE LONELIEST BOY IN THE WORLD is in select theaters, on demand and digital now.