Lt. Ellen Ripley

Sigourney Weaver

Annalee Call

Winona Ryder

Chief Mechanic Vreiss

Dominique Pinon

Johner

Ron Perlman

Captain Elgyn

Michael Wincott

Christian

Gary Dourdan

General Perez

Dan Hedaya

Dr. Wren

J.E. Freeman

Pilot Hillard

Kim Flowers

Dr. Gediman

Brad Dourif

Distephano

Raymond Cruz

Purvis

Leland Orser

Anaesthesiologist

Carolyn Campbell

Scientist

Marlene Bush

Lead Alien

Tom Woodruff Jr.

Surgeon

David St. James

Soldier with Glove

Rodney Mitchell

Soldier Shot Through Helmet

Robert Faltisco

Frozen Soldier

David Rowe

Soldier

Garrett House

Soldier

Garret House

Soldier

Rod Damer

Soldier

Mark Mansfield

Soldier

Daniel Raymont

Soldier

Cris D'Annunzio

Soldier

Chip Nuzzo

Father (voice)

Steven Gilborn

Sleeper

Robert Bastens

Sleeper

Rico Bueno

Sleeper

Alex Lorre

Sleeper

Ronald Ramessar

Sleeper

Ron Ramessar

Young Ripley

Nicole Fellows

Newborn Vocals

Joan LaBarbara

Newborn Vocal (voice)

Archie Hahn

Newborn Vocal (voice)

Joan La Barbara

Soldier Who Stuns Ripley (uncredited)

Eddie Yansick

Sleeper (uncredited)

Nito Larioza

Alien (uncredited)

David Prior

Soldier in Cocoon (uncredited)

Nicholas Talone

Soldier Shot by Johner (uncredited)

Brad Martin

Hero Alien Warrior (uncredited)

Alec Gillis

Darius Khondji

Jean-Pierre Jeunet

Bill Badalato

Joss Whedon

Dan O'Bannon

David Giler

Ronald Shusett

Craig Berkey

Walter Hill

Ted Caplan