Crystal Reed (born February 6, 1985) is an American actress. She is perhaps best known for her role as Denise in the feature film Skyline and as Allison Argent in the MTV series Teen Wolf.
Marnie Piper arrives at the Halloweentown University - known to everyone as Witch U. Her best friend Aneesa is a student there too, and before you can say `abracadabra' the bewitching pair find themselves in magical mischief and mayhem.
