Guest Stars Anna Jullienne as Krystle Wilkinson James Trevena-Brown as Charlie Bryson Stelios Yiakmis as Derek Peterson Theresa Healey as Helen Irwin Luciane Buchanan as Aroha Nash John Rawls as Karl Villiers Ayse Tezel as Hannah Dobson Kura Forrester as Sheena Flynn Allan as Billy Dobson Sophia Huybens as Debbie Robyn Paterson as Eleanor Peterson