“It’s quite amazing that it hasn’t come to TV before — it’s a brilliant idea and it’s so sort of rich in terms of storylines, you know, there are all sorts of ways you can take somebody’s identity or change your own, and a million things you can do with it once you have. It’s quite incredible. It’s one of those, you know, why didn’t we think of that? Hopefully it will go on and there’s a lot more to tell.”