Sigourney Weaver

Karakter: Kiri

Karakter: Colonel Ward

Karakter: Kiri

Karakter: Bartholomew

Karakter: Laverne

Karakter: June Hart

Görev: Executive Producer

Karakter: Kiri

Karakter: Dana Barrett

Karakter: Hildy Good

Karakter: Dr. Rachel Kay

Karakter: Grandma

Karakter: Michelle Bradley

Karakter: Tuja

Karakter: The Director

Karakter: Margaret Matheson

Karakter: Cisserus

Karakter: Jean Carrack

Karakter: Dr. Geraldine 'Geri' Bennett

Karakter: The Big Guy

Karakter: Joan Confrey

Karakter: Dr. Grace Augustine

Karakter: Ship's Computer (voice)

Karakter: Rex Brooks

Karakter: Chaffee Bicknell

Karakter: Linda

Karakter: Gwen DeMarco

Karakter: Ripley

Görev: Co-Producer

Karakter: Helen Hudson

Karakter: Ripley

Görev: Co-Producer

Karakter: Dana Barrett

Karakter: Ripley

Karakter: Dr. Lauren Slaughter

Karakter: Dana Barrett

Karakter: Tony Sokolow

Karakter: Ripley