Matt Smith (The Doctor)
On landing the role: "It was quite weird news to receive. I mean at that point it was a piece of information I couldn't share with anyone so it didn't feel tangible, but needless to say I was very pleased. I actually ended up walking around London listening to Sinatra on my iPod. Funnily enough my mum had texted me to say she thought I should play the Doctor a week before my agent asked me to audition so she was delighted I got the part. I was also abroad when it was announced on the BBC and my phone went mad -- the bill was enormous!"
Taking on the role of the Doctor: "I think these things are only as intimidating as you allow them to be. It's a real privilege to join such a successful show; it's a bit like joining Manchester United [the soccer team]. It's good to be part of something strong and long may it continue. Plus I couldn't have inherited the role from a nicer man. I guess it's like anything really, the more you do something the less daunting and intimidating it becomes."
First day of filming: "It was very tough because we were up against the tide and could only film until 3 p.m. It felt like being in a twilight zone because there were so many people watching and dozens of paparazzi around! It was nice that Karen was there as well though, because we were both going through the same experience. We were also surrounded by Doctor Who fans and every time I had to nip to the toilet they followed me. I've now learnt this is the norm on Doctor Who!"
The new TARDIS: "It's like a Ferrari, Lamborghini and Porsche all molded into one! It's so incredible because the TARDIS is an icon of our cultural history and suddenly I'm the one who's flying it. I am quite clumsy though so I kept breaking parts of the console and the poor production team had to keep fixing it. But the TARDIS is a magic concept and it provides a constant source of wonderment and adventure for both the Doctor and the viewers."
What to expect from the bow-tie wearing Doctor: "He is still the same man but I think my Doctor is a bit more reckless; he's a thrill seeker and addicted to time travel. He is the mad buffoon genius who saves the world because he's got a great heart, spirit and soul but he also doesn't suffer fools. I hope all of these things come across but I think I've also injected a bit of my own personality into the role. I also helped choose the Doctor's costume, which was great fun. Steven was very keen the outfit isn't seen as the overriding factor of the Doctor's personality but we still needed to find something that felt right. We tried on lots of things but kept reaching a dead end and we dismissed a number of items including a long leather coat, a long blue coat and some short punky stuff! But then one day I brought in my braces and a tweed jacket and it went from there. Soon we had the whole outfit although something still felt like it was missing and I asked if I could try on a bow tie -- at that point the execs all bowed their heads in concern but luckily when I tried it on we agreed it worked and it has sort of become the signature of my Doctor now."
The Doctor and Amy's relationship: "I always used to look forward to us being in make up together, we would just make each other crack up. I think that's important because it forms part of the energy of the show. I also think the Doctor and Amy share a slightly mad relationship; she's a handful and he likes the fact she challenges him and can sometimes act a bit bonkers. The way they are introduced to each other is truly magical and they form a deep affinity for one another."
Filming in Croatia: "I loved filming the vampire stuff in Croatia which doubled up for Venice. I had to climb a huge bell tower with a rain machine pummeling water at me. It was freezing cold but I absolutely loved it! I also enjoyed filming part of episode 10 when I was yanked through the air on a harness after being hit by an invisible monster. However, my favorite scene to film was in episode one when I ate fish fingers and custard with the character Amelia. Luckily they were actually breaded cakes so it wasn't quite as bad as it sounds. I had to eat a lot of them but it was an enchanting scene so it was worth it."