Consider my interest drummed madam. I can't tell you how long I've been looking for an RP like this. Just one quest before I start writing things up, are TV shows and card games cool for source material? I've been dying to find a good place to run around as The Doctor.
Course not, that's why he has his screwdriver, to get into things. Oh, one last question, how The Doctor gets involved in all of this. Maelstrom picks him up like everyone else or TARDIS falls through a dimensional rift. Either way he can't use the TARDIS, since it doesn't work in alternate dimensions, so its really a quest of his stake in things. Another contestant struggling to survive or an anomaly trying to stop the madness. Frankly I can see either one working. Personally I'd prefer the odd man out angle, but if you don't want to be making exceptions to rules this early on I can roll option another contestant just fine.
Hm. I can see either one working equally as well, but if he's not supposed to be there he's going to be a main target for elimination, or risk having something precious to him eliminated so he actually does "belong" there.
That's entirely up to you, though. He can easily be an odd man out if that's what you think will work best, but as I stated before, it won't come without repercussions. o -o