Robin Weigert is an American actress whose career started in the late 1990s. She became more prolific the following decade. During this period, she played Anna Mayes in Cold Case. She later had her first starring role on television as Calamity Jane in Deadwood. For her performance, she was nominated for a Primetime Emmy Award for Outstanding Supporting Actress in a Drama Series. Following this, she starred as Lt. Karen Davis in the short-lived series Life. In the 2010s, she became known for playing Ally Lowen in Sons of Anarchy. She also had recurring roles in Hawthorne and Chicago P.D. More recently, she played Wendy Ross-Hogarth in Netflix’s Jessica Jones. In 2017, she played Dr. Amanda Reisman in Big Little Lies and Heather Myles in Fearless.