IGN.com has posted an interview with Tahmoh Penikett today. Beware of Spoilers, Penikett does talk about some details of Jamie's character in the first episode "Vows" of the season 2.
Back into the Dollhouse with Tahmoh Penikett - The man behind Paul Ballard talks Season 2 and Battlestar cast reunions.
"When Jamie came to the set, it was so great. It was great to welcome a good friend of mine and a castmate of mine for five years to my new show and have him come and play. And I loved seeing Jamie play a bad guy! Everyone on set kept saying, "I can't believe he's got that accent!"