(2006) Snow Cake

as Linda

(1979) Alien

as Ripley

(1999) Galaxy Quest

as Gwen DeMarco

(1988) Gorillas in the Mist

as Dian Fossey

(1984) Ghostbusters

as Dana Barrett

(1992) 1492: Conquest of Paradise

as Queen Isabella

(1986) Aliens

as Ripley

(1977) Annie Hall

as Alvy's Date Outside Theatre

(2008) The Tale of Despereaux

as The Narrator (voice)

(1994) Death and the Maiden

as Paulina Escobar

(1995) Copycat

as Helen Hudson

(1988) Working Girl

as Katharine Parker

(1989) Ghostbusters II

as Dana Barrett

(2001) Heartbreakers

as Max Conners

(2007) Happily N'Ever After

as Frieda (voice)

(2008) Be Kind Rewind

as Ms. Lawson

(1983) Deal of the Century

as Mrs. DeVoto

(2022) Bonnie

as Self

(1982) The Year of Living Dangerously

as Jill Bryant

(2012) The Cabin in the Woods

as The Director

(1993) Dave

as Ellen Mitchell

(2009) Prayers for Bobby

as Mary Griffith

(2008) Vantage Point

as Rex Brooks

(2004) The Village

as Alice Hunt

(1992) Alien³

as Ripley

(1997) Alien Resurrection

as Ripley

(1981) Eyewitness

as Tony Sokolow

(2003) Holes

as Louise Walker the Warden

(2008) Baby Mama

as Chaffee Bicknell

(2004) Imaginary Heroes

as Sandy Travis

(2025) The Gorge

as Bartholomew

(1997) Snow White: A Tale of Terror

as Lady Claudia Hoffman

(2006) Infamous

as Babe Paley

(2010) Crazy on the Outside

as Viki

(1986) Half Moon Street

as Dr. Lauren Slaughter

(2023) Inside Pandora's Box

as Self

(2000) Company Man

as Daisy Quimp

(2006) 50 Films to See Before You Die

as Self

(2007) The Girl in the Park

as Julia Sandburg

(2010) You Again

as Ramona

(2011) Paul

as The Big Guy

(1995) Jeffrey

as Debra Moorhouse

(2002) Tadpole

as Eve Grubman

(2002) The Guys

as Joan

(2007) The TV Set

as Lenny

(1999) Get Bruce!

as Self

(1997) The Ice Storm

as Janey Carver

(2009) Avatar

as Dr. Grace Augustine

(2003) The Beast Within: Making Alien

as Self

(2003) Superior Firepower: Making 'Aliens'

as Self

(2003) Wreckage and Rage: Making 'Alien³'

as Self

(2003) One Step Beyond: The Making of Alien Resurrection

as Self

(2011) Cedar Rapids

as Macy Vanderhei

(2012) Vamps

as Cisserus

(1999) A Map of the World

as Alice Goodwin

(1984) Wilderness: A Country in the Mind

as ---

(2011) Rampart

as Joan Confrey

(2012) Red Lights

as Margaret Matheson

(2022) Avatar: The Way of Water

as Kiri

(2012) Final Cut: Ladies and Gentlemen

as (archive footage)

(1992) The Snow Queen

as Narrator (voice)

(2025) Dust Bunny

as ---

(2011) Abduction

as Dr. Geraldine 'Geri' Bennett

(2012) The Cold Light of Day

as Jean Carrack

(2014) Exodus: Gods and Kings

as Tuja

(1994) The Wild Swans

as Narrator

(1978) Madman

as Gale

(1985) One Woman or Two

as Jessica Fitzgerald

(2010) Capturing Avatar

as Self

(2001) Alien Evolution

as Self

(2015) Chappie

as Michelle Bradley

(2020) Cleanin' Up the Town: Remembering Ghostbusters

as Self

(2016) Bill Murray: The Kennedy Center Mark Twain Prize

as Self

(2001) Big Bad Love

as Betti DeLoreo (voice)

(1999) Ghostbusters 1999

as Self

(2017) Laddie: The Man Behind the Movies

as Self

(2016) A Monster Calls

as Grandma

(1993) Rabbit Ears - Peachboy

as Narrator (voice)

(2015) Keepers of the Covenant: Making 'Exodus: Gods and Kings'

as Self

(2001) Through These Eyes

as Narrator

(2014) My Depression (The Up and Down and Up of It)

as Elizabeth Swados (voice)

(2022) Avatar: The Deep Dive - A Special Edition of 20/20

as Self

(2015) Ingrid Bergman: In Her Own Words

as Self

(2008) His Highness Hollywood

as Self

(2024) Sigourney Weaver - Actionheldin und Stil-Ikone

as Self

(2016) Ghostheads

as Self

(2009) Cinema's Exiles: From Hitler to Hollywood

as Narrator (voice)

(2016) The Assignment

as Dr. Rachel Kay

(2016) Ghostbusters

as Rebecca Gorin

(2024) Aliens Expanded

as Self

(2007) Helmut by June

as Self

(1979) The Sorrows of Gin

as Marcia Lawton

(1979) O Youth and Beauty!

as Marcia Lawton

(2016) The Beatles: Eight Days a Week - The Touring Years

as Self

(2002) The Alien Saga

as Self

(2025) Avatar: Fire and Ash

as Kiri

(2029) Avatar 4

as Kiri

(2026) The Mandalorian & Grogu

as ---

(2001) The Roman Empire in the First Century

as Narrator

(2031) Avatar 5

as Kiri

(2017) Rakka

as Jasper

(2017) The Meyerowitz Stories (New and Selected)

as Sigourney Weaver

(2016) Finding Dory

as Sigourney Weaver (voice)

(2008) WALL·E

as Ship's Computer (voice)

(1989) Helmut Newton: Frames from the Edge

as Self

(2021) Oats Studios: Volume 1

as Jasper

(2009) Acid Test: The Global Challenge of Ocean Acidification

as Narrator

(2021) Ghostbusters: Afterlife

as Dana Barrett

(2020) My Salinger Year

as Margaret

(2022) The Good House

as Hildy Good

(2018) Off in the Far Away Somewhere: Georgia O’Keeffe’s Hawaii

as Georgia O’Keeffe

(2019) Never Surrender: A Galaxy Quest Documentary

as Self

(2011) Tipping Point: The End of Oil

as Narrator (voice)

(2010) Avatar: Creating the World of Pandora

as Self

(2005) Deconstructing 'The Village'

as Self

(2017) John G. Avildsen: King of the Underdogs

as Self (archive footage)

(2003) National Geographic : Search for the Afghan Girl

as Narrator

(1999) Why Dogs Smile and Chimpanzees Cry

as Narrator

(2020) Protecting the Amazon Demands Radical Change

as Narrator

(2009) Annul Victory

as Self

(2014) All You Need Is Love

as Narrator

(2008) Fragile Planet

as Narrator

(2006) Gorillas Revisited with Sigourney Weaver

as Self

(2022) Call Jane

as Virginia

(2012) Vanya and Sonia and Masha and Spike

as Masha

(2023) Master Gardener

as Norma Haverhill

(2025) Alien, Terror in Space

as Self (archive footage)

(1994) Inside the Actors Studio

as Self

(1999) Futurama

as Planet Express Ship (voice)

(2006) The One Show

as Self - Guest

(1996) The Daily Show

as Self

(1988) LIVE with Kelly and Mark

as ---

(1997) The View

as Self

(1999) The Early Show

as Self

(1992) The Tonight Show with Jay Leno

as Self - Guest

(2001) Richard & Judy

as Self

(2012) Finding Your Roots

as Self

(2009) The Jay Leno Show

as Self

(1970) Somerset

as Avis Ryan

(2023) The Lost Flowers of Alice Hart

as June Hart

(2005) The Late Late Show with Craig Ferguson

as Self

(1953) The Oscars

as Self

(1993) GMTV

as Self

(2012) Political Animals

as Elaine Barrish

(1999) Mark Twain Prize

as Self

(1987) Nulle part ailleurs

as Self

(1974) NOVA

as Narrator

(2004) Doc Martin

as American Tourist

(2015) The Late Late Show with James Corden

as Self - Guest

(2019) The Movies That Made Us

as Self

(2014) Penn Zero: Part-Time Hero

as Lady Starblaster (voice)

(2007) The Graham Norton Show

as Self

(2016) Dream the Future

as Narrator

(2017) Dian Fossey: Secrets in the Mist

as Dian Fossey (voice)

(1993) Late Night with Conan O'Brien

as Self - Guest

(1966) Golden Camera Awards

as Self

(2012) Honest Trailers

as Dr. Grace Augustine (archive footage)

(1997) The View

as Self - Guest

(2014) The Tonight Show Starring Jimmy Fallon

as Self - Guest

(2018) James Cameron's Story of Science Fiction

as Self

(2019) The Movies That Made Us

as Dana Bennett (archive footage)

(2008) Eli Stone

as Therapist

(1975) Saturday Night Live

as Ellen Ripley

(1975) Saturday Night Live

as Self / Various (archive footage)

(2020) Reunited Apart

as Self

(1995) Lo + plus

as Self - Guest

(2020) La semaine des 4 Julie

as Self

(2016) Full Frontal with Samantha Bee

as Sigourney Weaver

(2015) Call My Agent!

as Self

(2021) Secrets of the Whales

as Narrator (voice)

(1975) Saturday Night Live

as Self - Host

(2017) Marvel's The Defenders

as Alexandra Reid

(2022) Mostra, Venise

as Self - "Tapis Rouge" Guest

(2014) The Tonight Show Starring Jimmy Fallon

as Self

(2000) Click

as Self

(2005) SNL Digital Shorts

as ---

(2021) The Newsreader

as Sigourney Weaver (archive footage) (uncredited)

(2021) OATS Studios

as 贾斯珀