**Episode Info:** Oliver realizes he needs help battling Darhk so he calls in an old friend – Vixen. Using her magical ability to summon animal powers, Vixen gets a lock on Darhk's location and the team goes to war. Meanwhile, Thea has a heart-to-heart talk with Malcolm.

**Main Cast**

 * Oliver Queen - [TV](http://dc.wikia.com/wiki/Oliver_Queen_\(Arrow\)) || [Comics](http://dc.wikia.com/wiki/Green_Arrow_\(Oliver_Queen\)) || [Comics](http://en.wikipedia.org/wiki/Green_Arrow)

 * John Diggle - [TV](http://dc.wikia.com/wiki/John_Diggle_\(Arrow\)) || [Comics](http://dc.wikia.com/wiki/John_Diggle_\(Prime_Earth\))

 * Felicity Smoak [TV](http://dc.wikia.com/wiki/Felicity_Smoak_\(Arrow\)) || [Comics](http://dc.wikia.com/wiki/Felicity_Smoak_\(New_Earth\))

 * Laurel Lance - [TV](http://dc.wikia.com/wiki/Dinah_Laurel_Lance_\(Arrow\)) || [Comics](http://dc.wikia.com/wiki/Dinah_Laurel_Lance_\(New_Earth\)) || [Comics](http://en.wikipedia.org/wiki/Black_Canary)

 * Quentin Lance - [TV](http://dc.wikia.com/wiki/Quentin_Lance_\(Arrow\)) || [Comics](http://dc.wikia.com/wiki/Lawrence_Lance_\(New_Earth\)) || [Comics](http://en.wikipedia.org/wiki/Quentin_Lance)

 * Thea Queen - [TV](http://dc.wikia.com/wiki/Thea_Queen_\(Arrow\)) || [Comics](http://dc.wikia.com/wiki/Mia_Dearden)

 * Malcolm Merlyn - [TV](http://dc.wikia.com/wiki/Malcolm_Merlyn_\(Arrow\)) || [Comics](http://dc.wikia.com/wiki/Merlyn_\(New_Earth\))

[S04E15] - 'Taken' Live Episode Discussion