Frances Conroy has joined the cast of the CBS comedy contender Mike Birbiglia's Secret Public Journal.

The actor, best known for her role as Ruth Fisher on HBO's Six Feet Under, will play Kathy, mom of Birbiglia's character. The show would be her first series regular part since Six Feet Under went under in 2005.

Also joining "is Christine Woods who'll play Birbiglia's girlfriend.

Brian B.