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Talk about brilliant casting! Gotham has tapped Star Trek: Deep Space Nine's Alexander Siddig in the role of one of Batman's greatest foes (and a huge fan favorite), Ra's al Ghul.
DC's Legends of Tomorrow is about to bring an Arrow character back from the dead.
Aside from the title character, The CW’s Arrow introduced one of its biggest DC alums with Ra’s al Ghul this season. So what does the guy who created the comic counterpart think?