Matt Nable Cast as Ra's al Ghul on Arrow Season 3

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Arrow has cast its main Season 3 nemesis.

Per a network press release, Matt Nable (“Riddick”) will come on board this CW smash as Ra’s al Ghul, an iconic villain from the pages of DC Comics.

The character will debut on Arrow Season 3 Episode 4 (the show's 50th installment overall) and will serve  as the leader of the League of Assassins. He's also the father of ​Katrina Law's Nyssa al Ghul.

Ghul is a bad, bad man: unforgiving, ruthless, proud, intelligent, a master of martial arts and protector of some significant secrets.

Nable will appear on multiple episodes in this villainous role.

It's been a major couple days for the series: earlier today, we posted photos from Arrow Season 3 Episode 1, while a new (AWESOME!) promo just hit the Internet as well.

Click through the premiere pics below and check out the new Arrow trailer now.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

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I thought you took that book off your father's dead body. How could he have been so chatty?

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Laurel