Oliver Jackson-Cohen William Thornhill Actor Sarah Snook Sal Thornhill Actor Lachy Hulme Thomas Blackwood Actor Tim Minchin Smasher Actor Trevor Jamieson Grey Beard Actor Huw Higginson Alexander King Actor Rory Potter Willie Thornhill Actor Finn Scicluna-O'Prey Dickie Thornhill Actor Rhys Muldoon Lord Loveday Actor Samuel Johnson Saggity Actor Leila Gurruwiwi Mallabu Actor Daina Reid Director Jan Sardi Writer Mac Gudgeon Writer Sue Masters Executive Producer Mark Ruse Executive Producer Greer Simpkin Executive Producer Carole Sklan Executive Producer