Making a fantastical world real is a bit of a challenge, for sure. When you're on set and you have a green screen you're working with where you'll pretend there's a giant lizard chasing you when there's nothing there. Being shown the images of what the creatures were going to look like and then having to react to them realistically without feeling like you're a crazy person. You kind of have to go for it. In order to sell it to the audience, you can't really hold back.