Guest Stars Tristan Sturrock as Zacky Martin Ed Browning as Paul Daniel John Hollingworth as Captain Henshawe Amelia Clarkson as Rosina Hoblyn John Macneill as Jacka Hoblyn Matthew Wilson as Mark Daniel Sebastian Armesto as Tankard Henry Garrett as Captain McNeil Lewis Peek as Ted Carkeek Ross Green as Charlie Kempthorne Richard McCabe as Mr. Trencrom Marc Danbury as Jim Vercoe Ben Callon as Trooper Wilkins