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 George Mason as Ben Gallagher Kyle Pryor as Anton Jay Saussey as Amy Jeremy Randerson as Adam Revill Owen Black as Justin Lockhart Laurel Devenie as Philippa "Pip" Braithwaite