Abby Ryder Fortson (born March 14, 2008) is an American actress. She played Ella Novak in Transparent, Harper Weil in The Whispers, Sophie Pierson in Togetherness, Cassie Lang in Ant-Man (2015) and Ant-Man and the Wasp (2018), and Margaret Simon in Are You There God? It's Me, Margaret. (2023).
She is the daughter of actress Christie Lynn Smith and her husband, John Fortson.
On January 6, 2024, Fortson was honored with the Star on the Rise Award at the 2024 Astra Awards of the Hollywood Creative Alliance.
Known For
The Pitt
Kristi Wheeler · (4 episodes)
2025
Griffin in Summer
Kara
2024
Are You There God? It's Me, Margaret.
Margaret Simon
2023
Marvel Studios Assembled
Cassie Lang (archive footage) · (1 episode)
2021
Marvel Studios Legends
Cassie Lang (archive footage) (uncredited) · (1 episode)
2021
Trolls: TrollsTopia
Priscilla (voice) · (3 episodes)
2020
Tales from the Loop
Young Girl · (1 episode)
2020
Tales from the Loop
Young Loretta · (1 episode)
2020
The Kelly Clarkson Show
(1 episode)
2019
A Dog's Journey
Young CJ
2019
Ant-Man and the Wasp
Cassie
2018
Forever My Girl
Billy
2018
DuckTales
Little Girl Audience Member (voice) · (1 episode)
2017
DuckTales
Kid (voice) · (1 episode)
2017
DuckTales
Little Girl (voice) · (1 episode)
2017
Albert
Saplings
2016
Rated
Hannah
2016
Ant-Man
Cassie Lang
2015
Rated
Room 104
Elle · (1 episode)
2017
The Whispers
Harper Weil · (2 episodes)
2015
Togetherness
Sophie Pierson · (10 episodes)
2015
Transparent
Ella Novak · (6 episodes)
2014
The Mindy Project
Clementine · (1 episode)
2012