Guest Stars Caity Lotz as Sara Lance Cynthia Addai Robinson as Amanda Waller Colin Salmon as Walter Steele Kevin Alejandro as Sebastian Blood Summer Glau as Isabel Rochev Sean Rogerson as Peter Roark Critchlow as Clinton Hogue Co Starring Keri Adams as Bethany Snow David Nykl as Anatoly Knyazev Lee Vincent as Kelton Garfield Wilson as Ripped Amanda Lisman as Aide Vanessa Richards as Station Attendant Ryan McDonell as Uniform Shaughnessy Redden as Agent