From Wikipedia, the free encyclopedia. April Stewart (aka Gracie Lazar) is an American voice actress. She is best known for providing the voices of several female characters on the animated cartoon TV series South Park alongside fellow voice actress Mona Marshall. Born and raised in Truckee, California, Stewart started acting at the age 12. Her father, Freddie Stewart, was a singer with the Tommy Dorsey Orchestra. In early 2008, April Stewart had her first child. April is the voice of Liane Cartman, Sharon Marsh, Mrs. McCormick, Shelley Marsh, The Mayor, Principal Victoria, Wendy Testaburger and numerous other characters starring in South Park. She is also the voice of Maria Rivera on Nickelodeon's El Tigre: The Adventures of Manny Rivera.

KNOWN FOR

Regular Show
2011
South Park
2013
The Legend of Korra
2013
Marvel's Avengers
2014
The Owl House
2020
Be Cool, Scooby-Doo!
2015
Wreck-It Ralph
2012
Randy Cunningham: 9th Grade Ninja
2012
Mission: Impossible - Ghost Protocol
2011
The SpongeBob Movie: Sponge Out of Water
2015
El Tigre: The Adventures of Manny Rivera
2007
Evil Con Carne
2003

FILMOGRAPHY

All
Movies
TV
Acting
42
2025
South Park
as Liane Cartman / Sharon Marsh / Tammy Thompson (voice)
2025
South Park
as Wendy Testaburger / Liane Cartman / Dora Márquez (voice)
2025
South Park
as Sharon Marsh / Shelley Marsh (voice)
2025
South Park
as Nelly (voice)
2025
South Park
as Shanon Marsh (voice)
2024
South Park: The End of Obesity
as Wendy Testaburger / Sharon Marsh / Shelley Marsh / Liane Cartman / Alexis Testaburger (voice)
2023
South Park: Joining the Panderverse
as Sharon Marsh / Shelly Marsh / Liane Cartman / Alien Liane Cartman (voice)
2023
South Park (Not Suitable for Children)
as Sharon Marsh / Liane Cartman (voice)
2023
South Park
as News Reporter/Additional Voices (voice)
2022
South Park the Streaming Wars
as Liane Cartman / Sharon Marsh / Shelly Marsh / Bus Driver (voice)
2022
South Park the Streaming Wars Part 2
as Various Characters (voice)
2021
South Park: Post COVID
as Wendy Testaburger / Sharon Marsh / Shelley Marsh (voice)
2021
South Park: Post COVID: The Return of COVID
as Wendy Testaburger / Sharon Marsh / Shelley Marsh (voice)
2020
Curious George: Go West, Go Wild
as Ginny (voice)
2020
Superman: Man of Tomorrow
as Mrs. Ross (voice)
2020
The Owl House
as Additional Voices (voice)
2018
Be Cool, Scooby-Doo!
as Bonnie (voice)
2017
Be Cool, Scooby-Doo!
as Martha / Mother / Tommy (voice)
2016
DC Super Hero Girls: Hero of the Year
as Alura (voice)
2016
DC Super Hero Girls: Super Hero High
as Granny Goodness / Stompa (voice)
2015
The SpongeBob Movie: Sponge Out of Water
as Seagull (voice)
2015
Be Cool, Scooby-Doo!
as Wendy Palloy / Parrot (voice)
2014
The Legend of Korra
as Raava / Firelord Izumi (voice)
2014
Marvel's Avengers
as Lady Zarta / Woman (voice)
2013
South Park
as Sharon Marsh (voice)
2013
The Legend of Korra
as Raava (voice)
2012
A Turtle's Tale 2: Sammy's Escape from Paradise
as Consuelo Hogfish / Rosie Penguin (voice)
2012
Wreck-It Ralph
as Additional Voices (voice)
2012
Randy Cunningham: 9th Grade Ninja
as Marci McFist (voice)
2011
Phineas and Ferb the Movie: Across the 2nd Dimension
as Additional Voices (voice)
2011
Mission: Impossible - Ghost Protocol
as Swedish Translator (voice)
2011
Megan Is Missing
as Joyce Stewart
2011
Winx Club - The Fate of Bloom
as Vanessa (voice)
2011
Winx Club - The Battle for Magix
as Vanessa (voice)
2011
Regular Show
as Susan (voice)
2011
Regular Show
as Woman #1 / Woman #2 (voice)
2010
Kung Fu Magoo
as Weas-Elizabeth / Girl with Phone (voice)
2008
South Park: Imaginationland
as Cinderella / Strawberry Shortcake / The Tooth Fairy (voice)
2007
El Tigre: The Adventures of Manny Rivera
as Maria Rivera/Plata Peligrosa (voice)
2005
In Her Shoes
as Jerk Hut Staff
2004
South Park
as Sharon Marsh / Liane Cartman (voice)
2003
Evil Con Carne
as Cataclysma/Troop Terror (voice)