Anna Gunn studied at Northwestern University. Initially, she performed on stages productions in Chicago and then worked her way as a television actress. She appeared on television shows like The Guardian,
ER , Seinfeld, Judging Amy, Murder One and Six Feet Under just to name a few. She also graced the silver screen as she starred in Without Evidence, Nobody's Baby, Enemy of the State and Santa Fe. In addition, she became part of the television series Deadwood as Martha Bullock.
Martha Bullock is Seth Bullock's wife and former sister-in-law. She is also jealous towards her husband's feelings for Alma Garret, although the two are supposedly ending their affair due to Martha's presence.