Alien Cast
The cast of Alien.
Sigourney Weaver
as Ripley

Sigourney Weaver plays Ripley, the warrant officer who becomes the primary survivor and defender against the alien creature.

Tom Skerritt
as Dallas

Tom Skerritt portrays Dallas, the captain of the Nostromo, who leads the crew on their fateful mission.

Ian Holm
as Ash

Ian Holm takes on the role of Ash, the science officer with a secret agenda regarding the extraterrestrial encounter.

Yaphet Kotto
as Parker

Yaphet Kotto plays Parker, the chief engineer who is concerned about the crew's survival and safety.

John Hurt
as Kane

John Hurt plays Kane, the executive officer who encounters the alien organism during an exploration on an alien planet.

Veronica Cartwright
as Lambert

Veronica Cartwright portrays Lambert, the navigator who experiences intense fear and dread as events unfold.

Harry Dean Stanton
as Brett

Harry Dean Stanton plays Brett, the engineering crew member who faces a deadly confrontation with the alien.

Bolaji Badejo
as The Alien

Bolaji Badejo is credited as The Alien, the menacing extraterrestrial creature that hunts the crew.

Helen Horton
as Mother (voice)

Helen Horton provides the voice of Mother, the ship's computer that oversees the Nostromo's operations.

Roy Scammell
as The Alien (uncredited)
Eddie Powell
as The Alien (uncredited)
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