Merritt Carmen Wever (born August 11, 1980) is an American actress. She is known for starring as a perennially upbeat young nurse in Nurse Jackie (2009–2015), an intrepid widow in the Netflix period miniseries Godless (2017), and a detective investigating a serial rapist in the Netflix crime mini-series Unbelievable (2019). For Nurse Jackie, she won the Primetime Emmy Award for Outstanding Supporting Actress in a Comedy Series in 2013, for Godless, she won the Primetime Emmy Award for Outstanding Supporting Actress in a Limited Series or Movie in 2018 and for the mini-series Unbelievable, she was nominated the Golden Globe Award for Best Actress – Miniseries or Television Film in 2020.