With that in mind, here is your guide to who's who in the new, long-awaited FX series. Sydney Chandler leads "Alien: Earth" as Wendy, a young, terminally ill girl who becomes the world's first hybrid when she has her consciousness transferred into an adult,

Literally bringing things down to Earth, the series manages to preserve the aesthetics and feeling of "Alien" while creating a truly unique, compelling story. By the time you finish eight episodes of terror,

Wendy and a ragtag group of tactical soldiers make a fateful discovery that puts them face-to-face with the planet's greatest threat in FX's new series.