Arrow Scoop: Breakout Killing Co-Star Commits to 'Sin'-ful Season 2 Arc

Arrow Bex Taylor-KlausFaster than a speeding bullet, up-and-comer Bex Taylor-Klaus — the breakout star of The Killing‘s just-wrapped third season — has landed another Sin-sesational gig.

The actress is joining Arrow‘s second season playing the DC Comics character of Sin, TVLine has confirmed.

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Described as a wayward youth, Sin is befriended by the Black Canary and has a connection with fellow street urchin, Roy Harper.

She’s set to appear in Season 2’s third and fourth episode.

Taylor-Klaus garnered rave reviews for her role as troubled teen Bullet on AMC’s resurgent whodunit drama.

Arrow returns Wednesday, Oct. 9.