Molly C. Quinn (born October 8, 1993) is an American actress whose works have included theatre, film, and television. She's best known for her role as Alexis Castle, the main character's daughter, on ABC's Castle.
After moving to the big city, she was marked with an omen since her early 20s. Years later, The Devil tricked her into buying a haunted house. Here she was haunted by evil spirits and became demon-posessed. She is searching for her silver cross necklace for protection and researching the library for suitable prayers.