Lexa Doig to play Talia al Ghul in fifth season of Arrow TV series on The CW. (Photo: Joe Seer / Shutterstock.com.)

Lexa Doig is joining Arrow, as Talia al Ghul. The character is the daughter of Ra’s al Ghul, as well Nyssa’s half-sister, who is technically Oliver Queen’s wife. She’ll first appear in episode 5.10 of The CW series.

You may remember Doig as Dr. Leah Pearlman on V. The science fiction drama was cancelled by ABC, after one season in 2011. She also played Sonya Valentine in the Continuum TV series, which ended in 2014, after four seasons on Syfy.

Here is more from DC Comics.

Breaking News: Arrow Takes Aim at Talia al Ghul

By Tim Beedle

Wednesday, November 2nd, 2016

Oliver Queen has always had an interesting relationship with the al-Ghuls. He defeated Ra’s al Ghul and is technically married to Nyssa. So needless to say, we suspect his life will become a lot more complicated when the newest al Ghul makes her debut on the hit #DCTV show…

The CW announced today that Lexa Doig (Continuum, V) has been cast in the role of Talia al Ghul, the famous daughter of Ra’s al Ghul and the half-sister of Nyssa. Described as worldly and cultured, Talia is an elite warrior who doesn’t pick sides but rather creates her own. She’ll make her first appearance in the tenth episode of Arrow this season and will be appearing in multiple episodes.

What we don’t know is what sort of role she’ll play in relationship to Oliver Queen and Team Arrow. As fans know, Talia is usually a villain, but is occasionally a force for good in the DC Universe. In the comics, she shares a particularly close relationship with Batman. (How close? Well, she’s the mother of his son!) She’s also appeared in other media—notably in the film The Dark Knight Rises, where she was played by Marion Cotillard.

Expect more news on Arrow’s Talia as we get a little closer to her debut. But in the meantime, be sure to let us know what you think of Talia’s emergence on Arrow in the comments below!

What do you think? Are you a Lexa Doig fan? Will you watch her in the fifth season of The CW’s Arrow TV show? Let us know, below.