Starring Noel Clarke, the film follows a group of people trapped inside a London lock-up after a plane crash unleashes a deadly creature.
Take a look at the video to see where Johannes found his alien inspiration, what it’s like moving from horror to sci-fi, why he loves to feel the fear, which film inspired him to pick up a movie camera for the first time, and the challenges British science-fiction movies face.
And for more on Storage 24, check out my interview with Johannes and writer-star Noel Clarke at Kapow! Comic Convention.
Storage 24 is out in the UK on 29 June