Special Guest Stars Caity Lotz as Sara Lance Neal McDonough as Damien Darhk Guest Stars Echo Kellum as Curtis Holt Katrina Law as Nyssa al Ghul Elysia Rotaru as Taiana Venediktov Ryan Robbins as Conklin Carmen Moore as Mina Fayad JR Bourne as Jimmy Tell / Double Down Co Starring Nigel Vonas as Mercenary #2 / Walsh Leo Rano as Assassin Kevan Ohtsji as Alan Chang Matt Granger as Ghost #2 Everrett Shea as Bean Pole