Roisin O'Neill: Roisin O'Neill. Actress: The Drowning. Roisin O'Neill is known for The Drowning (2021), Father Brown (2013) and Darkest Hour (2017).
Known For: The Drowning (Miss Towne), Father Brown (Caitlin O'Casey), Darkest Hour (Agnes Dillon), Victoria (Mrs. Dolan)