British helmer Mark Mylod (Entourage), who directed the pilots for the U.K. series Shameless and its U.S. version on Showtime, has signed on to direct ABC's drama pilot Once Upon a Time. The project, from Lost executive producers Edward Kitsis and Adam Horowitz, centers on a woman with a troubled past who is drawn into a small town in Maine where the magic and mystery of Fairy Tales just may be real.