Donna Lynne Champlin is an American actress, singer, and director, best known for her role as Paula Proctor on the television series Crazy Ex-Girlfriend. She has received critical acclaim for her performances and has a strong background in musical theater. In addition to her work on television, Champlin has appeared in various stage productions, showcasing her vocal talents and acting skills. She has also been involved in directing and producing, contributing to the arts community beyond her on-screen roles.