Guest Stars Hugh Ross as Arch Bug Paul Donnelly as Ronnie Sinclair Robin Scott as Germain Fraser Sarah Collier as Murdina Bug 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 Callum Coates as John Evans James Doherty as Charles Turnbull Andy Apollo as Mr. Marsden Paul Kennedy as Herman Husband Paul Cassidy as Leith Farrish Nicola Jo Cully as Nonie Farrish Anja Karmanski as Ute McGillivray
