She played Rachel Menken Katz on the series Mad Men from 2007 to 2008, which earned her a nomination, along with the rest of the cast, for a Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Drama Series. She also appeared in Nip / Tuck during that time, before being cast as Dr. Tara Knowles on Sons of Anarchy in 2008. In the closing scene of the Sons of Anarchy episode "John 8: 32, '' Siff sang the song "Lullaby for a Soldier (Arms of the Angels). ''
who plays the doctor in sons of anarchy
Siff