Carolyn Campbell
Anesthesiologist
Rodney Mitchell
Soldier with Glove
Robert Faltisco
Soldier Shot Through Helmet
Steven Gilborn
Father (voice)
Nicole Fellows
Young Ripley
Tom Woodruff Jr.
Lead Alien
Joan La Barbara
Newborn Vocal (voice)
Archie Hahn
Newborn Vocal (voice)
Eddie Yansick
Soldier Who Stuns Ripley (uncredited)
Nito Larioza
Sleeper (uncredited)
David Prior
Alien (uncredited)
Nicholas Talone
Soldier in Cocoon (uncredited)
Brad Martin
Soldier Shot by Johner (uncredited)
Wanda De Jesus
(uncredited)
Alec Gillis
Hero Alien Warrior (uncredited)