Career
Born in New York City, Dunn began her career in Hollywood with a small role alongside Thelma Todd in the 1926 film Fascinating Youth. Dunn became associated with what would become known as the "Algonquin Round Table", which included notorious and famous actress Tallulah Bankhead. She would star in a total of twenty three silent films, and in 1929 she was one of thirteen girls named as "WAMPAS Baby Stars", which that year included actress Jean Arthur.
In 1930 she made a successful transition, unlike many silent stars, to sound films.
In 1930 she starred in Safety in Numbers (1930) alongside Carole Lombard and Kathryn Crawford. She retired from acting in 1938, and remained with Case for the remainder of his life.
He died in 1978 and she died 6 years later on February 3, 1983, in Thousand Oaks, California, aged 76.