Bill Buchanan (Seasons 4-7) 4

Update: I like how Buchanan was brought back in Season 7 as part of the rogue CTU faction with Tony and Chloe. The man looks like he has aged a ton, and I think its his first time appearing on the show without a suit. However, he still has the same calm and orderly demeanor that he portrayed before.

8/1/2006 - I like Buchanan's character. He does a good job of portraying his character as a government desk jockey who worries about watching his back, without acting like he is trying to sabotage what CTU is doing. He is one of the better recent supporting characters