The Big Bang Theory
Sheldon: Romney or Johnson
Leonard: Obama
Koothrappali: Obama
Howard: swing (oh yeah!) voter
Penny: Obama
Howard would vote Obama, and Sheldon would be a Paulite. That is if he believes in doing silly things like voting.
Penny would most likely be a non-voter. Kootrappali may not be a citizen. Sheldon is an enigma for sure, but he would definitely be a Paulite.
In one episode, Penny was wearing a Hillary '08 shirt, so that is worth noting.
I'm betting as academics, the entire cast, with the exception of Sheldon's strongly religious Texas mother, would be Obama voters.