Madeleine McGraw (born December 22, 2008) is an American actress. She gained recognition for her roles in various horror-themed projects, including Outcast (2016–2018) and The Black Phone (2021), which earned her a Saturn Award nomination for Best Performance by a Younger Actor.
She also starred as Zoey Campbell in the Disney Channel series Secrets of Sulphur Springs (2021–2023) and has since portrayed a younger version of Hope van Dyne in the Marvel Cinematic Universe (MCU) film Ant-Man and the Wasp (2018) and the Disney+ series What If...? (2023).
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Black Phone 2
Gwen Blake
2025

The Curse of the Necklace
Judith 'Judy' Davis
2024

Robbie Ain't Right No More
Sarah
2023

The Jennifer Hudson Show
Self · (1 episode)
2022

The Harbinger
Rosalie
2022

The Black Phone
Gwen Blake
2022

Magic Bake-Off
Self · (1 episode)
2021

What If...?
Hope van Dyne (voice) · (1 episode)
2021

The Mitchells vs. the Machines
Young Katie (voice)
2021

Secrets of Sulphur Springs
Zoey Campbell · (27 episodes)
2021

A Christmas Wish
Stella
2019

Toy Story 4
Bonnie (voice)
2019

The Curse of La Llorona
April
2019
Steps
2018

Pacific Rim: Uprising
Young Amara Namani
2018

Cars 3
Maddy McGear (voice)
2017
Divorce: The Greatest Hits
Maisy
2016

Susie Sunshine
2016

American Sniper
McKenna
2014

Captain Tsunami
Emma

The Mandela Effect
Sam
2019

Ant-Man and the Wasp
Young Hope
2018

Outcast
Amber Barnes · (20 episodes)
2016

Lucy in My Eyes
Younger Lucy
2016
Stars
2015

Star vs. the Forces of Evil
Young Moon Butterfly (voice) · (1 episode)
2015

Selfie
Little Girl · (1 episode)
2014
Hide and Seek
2014
The Firefly Catcher
Young Madelyn
2014
High Stakes Holiday

Clarence
Rita (voice) · (2 episodes)
2014

Clarence
Rita / Patsie (voice) · (1 episode)
2014

Clarence
Rita / Toddler (voice) · (1 episode)
2014

Criminal Minds
Naomi Shaw · (1 episode)
2005

Bones
Molly Blake · (1 episode)
2005