"You see guys going up to girls in bars and saying, 'Oh, can I show you a trick?' It's a tool. I find..." — Keith Barry

Our ethos for 'Now You See Me 2' was that everything in the movie at least had the potential to be done in real life, and I'd say over 90% of it was actually done in-camera with no CGI. Of course, movies like this are always going to be bound by the rules of Hollywood, being there's going to be enhancements of CGI.

Hypnosis is about shutting down the conscious mind and re-igniting the unconscious and the imagination, so while I give instructions to them under hypnosis, the contestants might interpret those instructions in all kinds of ways.

With brain hacking experiments, I've hacked into Morgan Freeman's brain. He was the most famous and the most nerve wracking because I got really awestruck when I met him, and the moment I was introduced to him, he challenged me there and then to hack his brain.

I have to stay in shape for the physical endeavour stunts I do. I work out a lot. I have a personal trainer. I go two or three times a week. I'm on a diet where I photograph everything I eat and send it to her.