Ellen Ripley (Sigourney Weaver)And three others from the previous film:Cpl.Dwayne Hicks12 year-old Newtsynthetic humanoid Bishop 341-B)Their 337 Model E.E.V.escape pod was ejected and crash-landed on the bleak and windy planet of Fiorina or "Fury" 161, a Weyland-Yutani outer-veil mineral ore refinery - and a maximum security correctional facility populated by 25 hardened, violent sex criminals (with double-Y chromosomes) who also had "apocalyptic, millenarian, Christian fundamentalist" beliefs - only female protagonist Ripley survived.Posing as the former teaching assistant of Mr.Spassky, one of the three scientists who had a "secret job," Clark learned that Spassky had telephoned his hospitalized mother - the call was traced to an abandoned Soviet army base outside Cherkassy, in the Ukraine, where the scientists (including Spassky) had presumably been activating Dressler""s bomb.Riggs made fun of their names: Arjen "Aryan" Rudd, and Pieter "Adolf." They were ordered to leave the premises, considered official South African soil, and threatened with being reported to the State Department.He was assisted in sitting up - he took a drink of water and ate a glob of blue synthetic food, but like an infant just learning o drink, he dribbled out the water (due to a slowly-recovering swallow reflex).