Ripley: Sigourney Weaver
Newt: Carrie Henn
Hicks: Michael Biehn
Burke: Paul Reiser
Bishop: Lance Henriksen
Hudson: Bill Paxton
Gorman: William Hope
Vasquez: Janette Goldstein
Apone: Al Matthews
Drake: Mark Rolston
Frost: Ricco Ross
Ferro: Colette Hiller
Spunkmeyer: Daniel Kash
Dietrich: Cynthia Scott
Crowe: Tip Tipping
Wierzbowski: Trevor Steedman