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 Miguelito Macario as Dr. Hui Phillip Mitchell as Sniper Craig Veroni as Crisis Negotiator Eric Banerd as Darin Agee as "Lucy" The Polar Bear