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