Image Credit: FX FX's Alien: Earth brought the iconic sci-fi horror franchise to television for the first time - and season 1 has now come to a close. Premiering August 12, 2025, the series delivered eight episodes of suspense, action, and deep-space terror before wrapping with a cliffhanger finale on September 23. While the story's ending left fans with more questions than answers, the cast of seasoned actors and rising stars ensured every moment was packed with tension and intensity. Here's a closer look at the talented cast bringing Alien: Earth to life below.