Guest Stars Hugh Ross as Arch Bug Paul Donnelly as Ronnie Sinclair 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 Carole Anders as Ruth Aberfeldy Anita Vettesse as Margaret Chisholm Luke Roskell as Lee Withers Samuel Collings as Edmund Fanning Josh Whitelaw as Ethan MacKinnon Callum Coates as John Evans Paul Kennedy as Herman Husband Andy Apollo as Mr. Marsden Nicola Jo Cully as Nonie Farrish Paul Cassidy as Leith Farrish James Doherty as Charles Turnbull Anja Karmanski as Ute McGillivray
