Guest Stars Gary Jones as Sgt. Walter Harriman Bill Dow as Dr. Bill Lee Robert Picardo as Richard Woolsey Tamlyn Tomita as Shen Xiaoyi Mark Oliver as Lapierre Tony Alcantar as Dr. Myers Andy Maton as Chapman Co Starring John Prowse as Col. Pearson Jason McKinnon as Walker Guy Fauchon as Dr. Pullman Sean Hall as SF