Guest Stars Caity Lotz as Sara Lance Celina Jade as Shado Adrian Holmes as Lt. Frank Pike Kevin Alejandro as Sebastian Blood Dylan Neal as Dr. Anthony Ivo Summer Glau as Isabel Rochev Sean Rogerson as Peter Artine Brown as Hendrick Von Arnim Co Starring Keri Adams as Bethany Snow David Nykl as Anatoly Knyazev Marrett Green as Merritt Davis Marc Anthony Williams as QC Security Guard Gaston Morrison as Guard Lance Gibson as Prisoner Barbara Patrick as SCPD Officer