Alien (film) (John Hurt), Warrant Officer Ripley (Sigourney Weaver), Navigator Lambert (Veronica Cartwright), Science Officer Ash (Ian Holm) and two Engineers, Parker (Yaphet Kotto) and Brett (Harry Dean Stanton). Detecting a transmission from nearby moon LV-426, the ship's computer, Mother, awakens the crew. Company policy requires any potential distress signal be investigated, so they land on the moon, sustaining damage from its atmosphere and rocky landscape. Parker and Brett repair the ship while Dallas, Kane and Lambert head out to investigate. They discover the signal comes from a derelict alien ship and enter it, losing communication with the "Nostromo". Ripley deciphers part
Alien (creature in Alien franchise) the Predators. Aliens have been alternatively portrayed as both plantigrade and digitigrade organisms, usually relative to their host. Human-spawned Aliens were usually portrayed as having humanoid hind limbs, while in "Alien 3", the featured Alien sported double-jointed legs due to its quadrupedal host. This characteristic would be continued in "Alien: Resurrection" for the human-spawned Aliens. Tom Woodruff, who had previously played the "dog-alien" in "Alien 3", described the human-spawned Aliens in "Resurrection" as feeling more like a dog than the previous creature, despite having been born from human hosts. The human-spawned Alien warriors would revert to a plantigrade posture in