Guest Stars Denise Galik-Furey as Annie Dillon Ted Whittall as President William J. Scott Emily Holmes as Joanne Scott Anna Galvin as Lisa Stone Barry Flatman as Charles 'Chuck' Beeter Roman Podhora as General Blair Fred Keating as Charles Henderson Jonathan Potts as Pat Terrence Kurt Max Runte as Sherriff Martin Willis Paul Perri as Dr. Smithson Michal Suchanek as Lance Stone Cory Dagg as General Michaelson Juan Carlos Velis as Roach Ava Salomon as Sarah Scott Adrian Holmes as Sam Barton Nicola Anderson as Lt. Amy Deacon