Katie McGrath (b. 1983) is an Irish actress who portrays the character of Morgana on the BBC television series Merlin. Prior to Merlin her highest-profile film/TV role had been a guest-star appearance in an episode of "The Tudors" and the horror film "Freakdog" (also released as "Red Mist").
Katie McGrath is set to play Oriane in the 4-part mini-series, Labyrinth. It is based on a novel and is set to be released late summer of 2012.