Guest Stars Paul Donnelly as Ronnie Sinclair Hugh Ross as Arch Bug Sarah Collier as Murdina Bug Robin Scott as Germain Fraser Martin Donaghy as Bryan Cranna Jon Tarcy as Isaiah Morton Michael Xavier as Lieutenant Hamilton Knox Luke Roskell as Lee Withers Anita Vettesse as Margaret Chisholm Carole Anders as Ruth Aberfeldy Samuel Collings as Edmund Fanning Josh Whitelaw as Ethan MacKinnon Andy Apollo as Mr. Marsden Anja Karmanski as Ute McGillivray James Doherty as Charles Turnbull Paul Cassidy as Leith Farrish Callum Coates as John Evans Nicola Jo Cully as Nonie Farrish Paul Kennedy as Herman Husband