The 56-year-old actress, who previously starred as Lyn Scully, initially agreed to return for a three-month guest spot, but will now remain on screen for a full six months before finishing filming with the series in November.
Meanwhile, Australian comedian Scott Brennan has reportedly signed on for a three-week guest role as Josh Burns, the editor of the West Waratah Star newspaper.
Brennan also featured on Australian sketch comedy shows skitHOUSE and Comedy Inc: The Late Shift.
