Guest Stars Kris McQuade as Barbara McCallum Noela Foxcroft as Mrs. Marsh Katie Robertson as Dr. Grace Howlett Sam Cotton as Bruce Hardwick Kim Knuckey as Sergeant Greg Hardwick Mick Davies as Maddrick Benjamin Winspear as Sam Wells Bryony Geeves as Jasmin Stuart Daulman as Geoff Sue Cox as Gardening Show Presenter Harry Cox as Gardening Show Presenter