Roz Ryan (born Rosalyn Bowen; July 7, 1951) is an American actress, singer, and comedian who has worked for productions in film, television, and Broadway theatre for over 40 years. Ryan's first role on Broadway was in Ain't Misbehavin', a Fats Waller-influenced musical revue that debuted in 1978. She is well known for her part in the television show, Amen, for her character Amelia Hetebrink, for being the voice of Thalia, the Muse of Comedy in the 1997 Disney animated film, Hercules, and for guest starring on the Disney Channel sitcom, K.C. Undercover as Grandma Gayle.