Guest Stars David Nykl as Dr. Radek Zelenka Christopher Heyerdahl as Wraith Leader (Todd) Gary Jones as Sgt. Walter Harriman Kate Hewlett as Jeannie Miller Peter Flemming as Agent Malcolm Barrett Brendan Gall as Kaleb Miller Steven Culp as Henry Wallace Co Starring Madison Bell as Madison Sheri Noel as Scientist Libby Osler as Sharon Doron Bell as SF Mark Gash as Doctor Ron Blecker as Goon Uncredited Peter Kufluk as MSgt. Connor
