Kathy Rose O'Brien is an actress from Dublin, Ireland, who has appeared in the Irish television drama Whistleblower, which dealt with the controversial events at Our Lady of Lourdes Hospital in Drogheda relating to obstetrician/gynecologist Michael Neary, and in theatre productions including Leaves, The Burial at Thebes, The Birthday Party, The Fall of Herodias Hattigan and The Plough and the Stars. She holds a BA (Hons) in Drama and Theatre Studies from The Samuel Beckett Centre, Trinity College Dublin and graduated from the Royal Academy of Dramatic Art in 2006.