Guest Stars Tanaya Beatty as Caitlin Janvier Adam DiMarco as Kirby Nystoruk Edward Ruttle as Tommy Pembroke Brandon Oakes as Corp. Sahcho Chelah Horsdal as Tara Eugene Lipinski as Vladimir Andreyev Eric Banerd as Darin Phillip Mitchell as Sniper Miguelito Macario as Dr. Hui Craig Veroni as Crisis Negotiator Agee as "Lucy" The Polar Bear