The Sydney Morning Herald reports she died on Saturday, months after being diagnosed with lung cancer.
US born Hackforth-Jones was raised in Australia and made her screen debut in the 1969 TV series Riptide.
Early credits include Bellbird, Number 96, Ryan, Matlock Police, Homicide, Division 4 and leading roles in Seven’s two colonial series Cash and Company and Tandarra.
She made appearances in Young Ramsay, Skyways, The Young Doctors, Holiday Island, Bellamy, Rafferty’s Rules, Mother and Son, Hey Dad!, Bony, A Country Practice, GP, Murder Call, Heroes Mountain, Grass Roots, All Saints, Golden Fiddles, HeadLand, Chandon Pictures, :30 Seconds, Miss Fisher’s Murder Mysteries, Conspiracy 365 and her final role The Doctor Blake Mysteries.
Many of her roles included eloquent society ladies, but never ones that were over the top.
Film roles included Muriel’s Wedding, Mao’s Last Dancer, Bitter & Twisted, Diana & Me, Paradise Road, Kokoda Crescent, Running on Empty, Alvin Purple, and Alvin Rides Again.
She also appeared in the 2013 Tropfest winning film We’ve All Been There.
Hackforth-Jones also published a biography of her great-great grandmother, Barbara Baynton: Between Two Worlds.