What American film actress, best known for her role as Valerie Harper's younger sister in Rhoda, also starred in the 1992 film "This is My Life"?
Julie Kavner:  She first attracted notice for her role as Valerie Harper's character's younger sister Brenda in the sitcom "Rhoda" for which she won a Primetime Emmy Award for Outstanding Supporting Actress in a Comedy Series.
i don't know