Biography
Allison Howell Williams (born April 13, 1988) is an American actress. She first became known for starring as Marnie Michaels in the HBO comedy-drama series Girls (2012–2017), which earned her a Critics' Choice Award nomination. Her breakthrough came with the role of Rose Armitage in the horror film Get Out (2017), which earned her nominations from the MTV Movie Awards and the Screen Actors Guild Awards, among other accolades. She starred in the horror films The Perfection (2018) and M3GAN (2022), the latter of which she also executive produced. For her work in horror films, she has been deemed a scream queen by some in the media. Her latest on-screen appearance was in the role of Lucy Smith in Showtime's Peabody Award-winning miniseries Fellow Travelers (2023).
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Filmography
Cast Credits

Regretting You
Character: Morgan Grant
MOVIE • 2025

M3GAN 2.0
Character: Gemma
MOVIE • 2025

Fellow Travelers
Character: Lucy Smith
TV • 2023

M3GAN
Character: Gemma
MOVIE • 2022
Drip
Character: Alex
MOVIE • 2022

Horizon Line
Character: Sara
MOVIE • 2020

The Kelly Clarkson Show
Character: Self
TV • 2019

The Perfection
Character: Charlotte
MOVIE • 2018

Patrick Melrose
Character: Marianne Banks
TV • 2018

Unveiling the Horror of Get Out
Character: Self
MOVIE • 2017

A Goodbye to Girls
Character: Self
MOVIE • 2017

Get Out
Character: Rose Armitage
MOVIE • 2017

A Series of Unfortunate Events
Character: Kit Snicket (uncredited)
TV • 2017

A Series of Unfortunate Events
Character: Kit Snicket
TV • 2017

Past Forward
Character: Woman #1
MOVIE • 2016

The Late Show with Stephen Colbert
Character: Self
TV • 2015

Peter Pan Live!
Character: Peter Pan
MOVIE • 2014

College Musical
Character: Bianca
MOVIE • 2014

Late Night with Seth Meyers
Character: Self
TV • 2014

The Tonight Show Starring Jimmy Fallon
Character: Self
TV • 2014
Crew