She earned a Golden Globe nomination for Most Promising New Actress for 1972’s You’ll Like My Mother, in which she played a mentally challenged, nonverbal young woman opposite Patty Duke. The following year,

Sian Barbara Allen, a Golden Globe-nominated TV actress who appeared in such hits as The Waltons and L.A. Law, has died at the age of 78.

Sian Barbara Allen, a Golden Globe-nominated TV actress who appeared in hits such as The Waltons and L.A. Law, passed away at the age of 78 on Monday at Chapel Hill in North Carolina, reported Deadline.