'24' is a pretty serious show - there isn't a lot of improv that is happening. Having said that, I do play around with the delivery. A lot of the humor comes from playing a character who is very furious and really up in her own brain and in a serious situation. That is humorous to me.
The more I get to do this character, the more I realize that she's not just annoying. It's that her strength is not interacting with people socially. She just doesn't have time because she has so much going on in her brain.