Julie McNiven (b. October 11, 1980) is an American actress who portrayed Anna Milton in Supernatural. She has also appeared in Stargate Universe, Fringe, Mad Men, Book Club and The Possession of Michael King. Julie is married to Michael Blackman Beck, the actor who portrayed Howard in "Plucky Pennywhistle's Magical Menagerie", season 7. They have a son, Tasman Scott Beck. Julie is a graduate of Salem State University