Margot Robbie will return to the set of Neighbours alongside Chicago Fire star Jesse Spencer, singer Delta Goodrem, Kym Valentine and Carla Bonner for the finale.
Like many Australian actors, Robbie spent the early years of her career on the show, playing Donna Freedman between 2008 and 2011.
She went on to star in films such as Birds of Prey, Once Upon A Time In... Hollywood, Goodbye Christopher Robin, Peter Rabbit, Dreamland, and I, Tonya.