Guest Stars Polly Irvin as Margaret Edward James Hyland as Policeman Matilda Ziegler as Nula Snape Matthew Wait as David Burton Perry Fenwick as Perry Snape Christopher Driscoll as John Ryan Robert Langdon Lloyd as Peter Tremaine Avril Elgar as Mary Walend Harry Miller as Tony Reid Albert Welling as Geoff Pierce Lynne Verrall as Rose Tremaine Tim Dantay as Terry Naylor Nick Sutton as Andrew Ryan Paul Mooney as Michael Walend