Alien (1979)

Thomas Roy Skerritt (August 25, 1933 — October 21 2026) was an American actor who has appeared in more than forty films and more than two hundred television episodes since 1962. Known for his film roles in M*A*S*H (1970), The Turning Point (1977), Up in Smoke (1978), Alien (1979), The Dead Zone (1983), Top Gun (1986), Steel Magnolias (1989), A River Runs Through It (1992), and the television serie

Susan Alexandra "Sigourney" Weaver (born October 8, 1949) is an American actress. Weaver is considered to be a pioneer of action heroines in science fiction films. She is known for her role as Ellen Ripley in the Alien franchise, which earned her an Academy Award nomination in 1986 and is often regarded as one of the most significant female protagonists in cinema history.

Veronica Cartwright (born April 20, 1949) is a British-born American actress. She is known for appearing in science fiction and horror films, and has earned numerous accolades, including three Primetime Emmy Award nominations. Her younger sister is actress Angela Cartwright.