Special Guest Stars John Barrowman as Malcolm Merlyn Katie Cassidy as Laurel Lance (Earth Two) / Black Siren Susanna Thompson as Moira Queen Manu Bennett as Slade Wilson Guest Stars Rick Gonzalez as Rene Ramirez Juliana Harkavy as Dinah Drake Katrina Law as Nyssa al Ghul Madison McLaughlin as Evelyn Sharp Lexa Doig as Talia al Ghul Dolph Lundgren as Konstantin Kovar Anna Hopkins as Samantha Clayton Nick Tarabay as Digger Harkness Co Starring Jack Moore as William Clayton Taras Kostyuk as Gennady Erik Tuzinsky as Mercenary #1 Leo Chiang as Supermax Guard
