Editing Nancy Cartwright (section)

===Live-action===
====Film====
{| class="wikitable plainrowheaders sortable"
|+ List of acting performances in feature films
|-
! scope="col" | Year
! scope="col" | Title
! scope="col" | Role
! scope="col" class="unsortable" | Notes
|-
| scope="row" | 1983
| ''[[Twilight Zone: The Movie]]''
| Ethel
| Segment: "It's a Good Life"
|-
| rowspan="2" scope="row" | 1985
| ''[[Heaven Help Us]]''
| Girl at dance
| Uncredited
|-
| ''[[Flesh and Blood (1985 film)|Flesh and Blood]]''
| Kathleen
|
|-
| scope="row" | 1988
| ''Yellow Pages''
| Stephanie
| Titled ''Going Underground'' in US
|-
| scope="row" | 1992
| ''Petal to the Metal''
| Fawn Deer
| Short film
|-
| scope="row" | 1998
| ''[[Godzilla (1998 film)|Godzilla]]''
| Caiman's secretary
|
|-
| scope="row" | 2008
| ''Struck''
| Nurse
| Short film
|-
| scope="row" | 2013
| ''[[I Know That Voice]]''
| Herself
| Documentary
|-
| scope="row" | 2017
| ''[[In Search of Fellini]]''
| Cosima
| Also writer
|-
| scope="row" | 2022
| ''[[Borrego (film)|Borrego]]''
| Deserie
| 
|}

====Television====
{| class="wikitable plainrowheaders sortable"
|+ List of acting performances in television shows
|-
! scope="col" | Year
! scope="col" | Title
! scope="col" | Role
! scope="col" class="unsortable" | Notes
|-
| scope="row" | 1981
| ''[[Skokie (film)|Skokie]]''
| Unnamed character
| TV film; uncredited
|-
| rowspan="3" scope="row" | 1982
| ''[[Marian Rose White]]''
| Marian Rose White
| TV film
|-
| ''The Rules of Marriage''
| Jill Murray
| TV film
|-
| ''[[Tucker's Witch]]''
| Holly
| Episode: "Terminal Case"
|-
| scope="row" | 1983
| ''[[Deadly Lessons]]''
| Libby Dean
| TV film
|-
| scope="row" | 1983, 1984
| ''[[Fame (1982 TV series)|Fame]]''
| Muffin
| 2 episodes
|-
| rowspan="2" scope="row" | 1985
| ''[[Not My Kid]]''
| Jean
| TV film
|-
| ''[[Cheers]]''
| Cynthia
| Episode: "Diane's Nightmare"
|-
| scope="row" | 1986
| ''Bridges to Cross''
| Unnamed character
| Episode: "Memories of Molly"
|-
| rowspan="2" scope="row" | 1987
| ''[[Our House (1986 TV series)|Our House]]''
| Unnamed character
| Episode: "Growing Up, Growing Old"
|-
| ''[[Mr. Belvedere]]''
| Gwen
| Episode: "The Initiation"
|-
| rowspan="2" scope="row" | 1989
| ''[[TV 101]]''
| Melinda
| Episode: "On the Road"
|-
| ''[[Empty Nest]]''
| Ann
| Episode: "Tears of a Clown"
|-
| rowspan="2" scope="row" | 1993
| ''[[Precious Victims]]''
| Ruth Potter
| TV film
|-
| ''[[Problem Child (TV series)|Problem Child]]''
| Betsy
|
|-
| rowspan="2" scope="row" | 1995
| ''[[The Fresh Prince of Bel-Air]]''
| Ruby Jillette
| Episode: "Save the Last Trance for Me"
|-
| ''[[Baywatch Nights]]''
| Frances O'Reilly
| Episode: "976 Ways to Say I Love You"
|-
| rowspan="2" scope="row" | 1996
| ''Vows of Deception''
| Terry
| TV film
|-
| ''[[Suddenly (1996 film)|Suddenly]]''
| Dell
| TV film
|-
| scope="row" | 2007
| ''[[24 (TV series)|24]]''
| Jeannie Tyler
| Episode: "Day 6: 4:00 p.m.-5:00 p.m"
|-
| scope="row" | 2010
| ''[[The Simpsons 20th Anniversary Special&nbsp;– In 3-D! On Ice!]]''
| Herself<br>Bart Simpson (voice)
| TV special
|-
| scope="row" | 2012
| ''FOX 25th Anniversary Special''
| Bart Simpson (voice)
| TV special
|}