Question: is talia al ghul in arrow?
Answer: Lexa Doig ('Stargate SG-1') will make her debut as the iconic DC Comics character in the tenth episode of the season. Arrow is finally introducing Talia al Ghul. ... Lexa Doig (Continuum, Stargate SG-1) has been cast in the major recurring role of the half-sister of Nyssa (Katrina Law).