THEN AND NOW: The cast of 'Alien' 41 years later

"Alien" was released in 1979.20th Century Studios

• "Alien" was released in 1979, and starred Sigourney Weaver, Tom Skerritt, and Harry Dean Stanton.
• The sci-fi thriller follows the crew of the space ship Nostromo, who come into contact with a deadly alien life form.
• In the years since its release, most of the "Alien" cast has continued acting.
• The movie also spawned several sequels, and a prequel film called "Prometheus" was released in 2017.

Released in 1979, "Alien" starred Tom Skerritt, Harry Dean Stanton, Veronica Cartwright, and then-newcomer Sigourney Weaver.

The outer space thriller follows the crew of the Nostromo, a commercial space vessel en route to Earth. The crew intercepts a distress signal from an abandoned planet, and encounters a deadly alien life form while investigating.

"Alien" made Weaver, who up until then had mostly acted in plays, a star. Other cast members have also continued acting after its release.

Sequels and even a prequel film followed in later years as well.

Here's what the cast of "Alien" has been up to in the years since it premiered.