Guest Stars Noah Huntley as John Burden Kim Thomson as Linda Grover Carmel McSharry as Ruby Branch Ken Kitson as Sergeant Martin Louie Ramsay as Dora Wexford Robert Reynolds as Det. Cons. Mark Drayton Jean Heywood as Mrs. Penistan Stephanie Fayerman as Mrs. Kirkpatrick Christopher Ellison as Mr. Kirkpatrick Nicholas Gecks as Rupert Margolis Deborah Poplett as Sheila Wexford Mitzi Rogers as Mrs. Anstey