Guest Stars Lisa Howard as Lili Marquette Frank Moore as Hubble Urich Richard Zeppieri as Frank Tate Barry Flatman as President Thompson Chandra West as Erica Vosser Victor Ertmanis as Dale Anders Co Starring Joel Harris as Lead Volunteer Dean Armstrong as Hotel Volunteer Steven Allerick as Safe House Volunteer J.C. Kenny as News Caster Katherine Ashby as Emily Langford Barna Moricz as Shuttle Bay Volunteer Peter Ellery as Secret Service Agent Uncredited David Calderisi as Barry Calvert Michael Filipowich as Judson Corr Matthew Galliford as Taelon Volunteer Soldier