Roz Ryan is an American actress and singer known for her versatile vocal style that spans genres such as jazz, gospel, and rhythm and blues. She has made significant contributions to the Broadway stage, including her performance as Matron "Mama" Morton in the long-running musical "Chicago". Ryan's distinctive voice, combined with her powerful stage presence, has also led to a successful career in the world of animation, most notably voicing the character of Bubbie in "The Marvelous Misadventures of Flapjack". Her influence extends beyond the stage, as she has also made notable appearances in television and film.