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 John Rawls as Karl Villiers Tim Foley as Grant Finch Jan Fisher as Margie Harper Nisha Madhan as Varsha Lola McLeod as Nina Harper William Davis as Rawiri