hloë Grace Moretz says she has a problem with sci-fi. Well, it’s not exactly a problem. The 25-year-old former child star knows the genre well, having played a kid vampire.

I think one of the pitfalls of sci-fi is that it can be very clinical, and it can feel really distant and really cold,” she explains, curled up on a plush sofa in an immaculate London hotel suite. During our interview, she’ll pop her feet on the table, entertain us with The Devil Wears Prada impressions and insist on giving countless, breathless video game recommendations as we try and get out of the door.

But she never loses focus once. “I feel like a lot of sci-fi doesn’t really rely on familial relationships and it doesn’t feel warm – so that was something I really grabbed.