Robin Weigert (born July 7, 1969) is an American actress. She is best known for her role as Calamity Jane in the television series Deadwood (2004–2006), for which she was nominated for an Emmy Award for Outstanding Supporting Actress in a Drama Series in 2004, as Ally Lowen in Sons of Anarchy (2010–2013), Dr. Amanda Reisman in Big Little Lies (2017–2019), and Abby in the film Concussion (2013).

The above description is from the Wikipedia article "Robin Weigert", licensed under CC-BY-SA, the full list of authors is in Wikipedia.