Italia Ricci is joining the cast of Supergirl as Siobhan Smythe, Cat Grant’s latest hire who at first becomes a work nemesis for Kara — but she later proves a more deadly foe for Supergirl when she ...
Supergirl is getting another powerful villain to face, and this one’s a scream (sorry). Silver Banshee aka Siobhan Smythe will first appear in the Monday February 22, 2016 episode courtesy of actress ...
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