Melora Diane Hardin Jackson (born June 29, 1967) is an American actress and singer best known for her roles as Jan Levinson on NBC's The Office, Trudy Monk on USA Network's Monk, and Tammy Cashman on Amazon Prime Video's Transparent, for which she received a Primetime Emmy Award nomination. She starred as magazine editor-in-chief Jacqueline Carlyle on the Freeform comedy-drama The Bold Type, which aired from June 2017 to June 2021. (Via Wikipedia)