The Alien cast features Tom Skerritt, Sigourney Weaver and Veronica Cartwright. This info article contains minor spoilers and character details for Ridley Scott’s 1979 movie on Disney+ and Hulu. Check out more streaming guides in Vague Visages’ Know the Cast category.

Alien centers on a group of astronauts living aboard the craft Nostromo. After a transmission from a nearby room, the seven-person crew begins an investigation. The narrative follows the main protagonists as they deal with a mind-blowing security breach. Here’s every actor and character in Alien.

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Alien Cast: Tom Skerritt as Dallas

Character Profile: The Nostromo captain. He doesn’t trust anybody and worries about his new science officer. Dallas uses a flamethrower while tracking an extraterrestrial creature.

Skerritt’s Resume: Duke Forrest in M*A*S*H (1970), Viper in Top Gun (1986), Evan Drake in Cheers (1987-88), Sheriff Jimmy Brock in Picket Fences (1992-96), David Drumlin in Contact (1997)

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Alien Cast: Sigourney Weaver as Ripley

Character Profile: A warrant officer. She detects a warning message from a computer. Ripley clashes with colleagues about quarantine issues.

Weaver’s Resume: Dana Barrett in Ghostbusters (1984), Dian Fossey in Gorillas in the Mist (1988), Dr. Grace Augustine in Avatar (2009), The Director in The Cabin in the Woods (2011), June Hart in The Lost Flowers of Alice Hart (2023)

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Alien Cast: Veronica Cartwright as Lambert

Character Profile: A navigation officer. She urges her colleagues to abandon their craft. Lambert dies while collecting supplies.

Cartwright’s Resume: Jemima Boone in Daniel Boone (1964-66), Cathy Brenner in The Birds (1963), Nancy Bellicec in Invasion of the Body Snatchers (1978), Felicia Alden in The Witches of Eastwick (1987), Irene Saxon in Bosch (2015)

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Alien Cast: Harry Dean Stanton as Brett

Character Profile: An engineer. He light-heartedly complains about financial issues. Brett comes face to face with an extraterrestrial creature after following a cat.

Stanton’s Resume: Travis Henderson in Paris, Texas (1984), Bud in Repo Man (1984), Carl Rodd in Twin Peaks: Fire Walk with Me (1992), Toot-Toot in The Green Mile (1999), Lucky in Lucky (2017)

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Alien Cast: John Hurt as Kane

Character Profile: An executive officer. He finds a chamber full of eggs. Kane experiences a fateful event after suffering from memory loss.

Hurt’s Resume: Max in Midnight Express (1978), John Merrick in The Elephant Man (1980), Winston Smith in 1984 (1984), S.R. Hadden in Contact (1997), The Dragon in Merlin (2008-12)

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Alien Cast: Ian Holm as Ash

Character Profile: A science officer. He clashes with Ripley after breaking quarantine protocol. Ash hides a secret about his motivations.

Holm’s Resume: Zerah in Jesus of Nazareth (1977), Mr. Kurtzmann in Brazil (1985), Bilbo in The Lord of the Rings: The Fellowship of the Ring (2001), Skinner in Ratatouille (2007), Old Bilbo in The Hobbit: The Battle of the Five Armies (2014)

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Alien Cast: Yaphet Kotto as Parker

Character Profile: An engineer. He initially jokes around with Brett about receiving bonus money. Parker and Lambert have a violent confrontation with an extraterrestrial creature.

Kotto’s Resume: Kananga/Mr. Big in Live and Let Die (1973), Laughlin in The Running Man (1987), Alonzo Mosely in Midnight Run (1987), Doc in Freddy’s Dead: The Final Nightmare (1991), Lieutenant Al Giardello in Homicide: Life on the Street (1993-99)

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The Alien cast also includes:

• Bolaji Badejo as Alien
• Helen Horton as Mother
• Eddie Powell as Alien

Q.V. Hough (@QVHough) is Vague Visages’ founding editor.