Welcome to Katie McGrath Fan your online resource for Irish actress, Katie McGrath! Katie is well known for her roles on Merlin, Slasher, and more recently, as 'Lena Luthor' on Supergirl. Katie has also had roles on Frontier, Dracula and the mini-series, Labyrinth. Her most recent project was Secret Bridesmaids’ Business with Abbie Cornish & Georgina Haig. We aim to keep you up to date on the latest images, including screen captures from Katie's roles and the latest public appearances. Enjoy your stay here!