One of HBO's critically-acclaimed series will be getting some help from an Oscar winner this season. According to the Los Angeles Times' Show Tracker blog, Oscar-winning actress Sissy Spacek will appear in HBO's Big Love.

The actress will appear as an elite Washington D.C. lobbyist in a multi-episode arc starting in the third episode of the show's upcoming fourth season.

The fourth season of Big Love is said to debut in early 2010.