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Acting
Brittney Leigh Lower (born August 2, 1985) is an American actress best known for her roles as Liz in Man Seeking Woman (2015-2017), Tanya Sitkowsky in Unforgettable (2011-2017), and Severance (2022-), the last of which earned her a Primetime Emmy Award for Outstanding Lead Actress in a Drama Series in 2025, for her dual roles as Helena Eagan / Helly R.

I Will Find You
as Rachel Mills

Sender
as Julia Day

Psycho Therapy: The Shallow Tale of a Writer Who Decided to Write About a Serial Killer
as Suzie

Darkest Miriam
as Miriam Gordon

Show Pony
as Kate

Severance
as Helly Riggs

American Horror Stories
as Fay Mellon

Circus Person
as Ava

Holly Slept Over
as Audra

The Kelly Clarkson Show
as Self

A Civilized Life
as Jack

Faith
as Padma

Staycation
as Jill

The Shadow Hours
as Dorothy

Future Man
as Jeri Elizabeth Lang

Ghosted
as Claire

Mr. Roosevelt
as Celeste Jones

Domain
as Phoenix

Quotidien
as Self - Guest

Swell
as Ana

Don't Worry Baby
as Anna

Wrecked
as Margot Wallace

Bad Internet
How to Lose Weight in 4 Easy Steps!
as Rachael

Sisters
as Mrs. Geernt

The Late Show with Stephen Colbert
as Self

Those People
as Ursula
The Shells
as Alex

Man Seeking Woman
as Liz Greenberg

Beside Still Waters
as Olivia
Re: Jess
as Jess

Late Night with Seth Meyers
as Self - Guest

The Tonight Show Starring Jimmy Fallon
as Self

One Trick Dieter
as Ellen

The Letter
as Kathleen
The Worst
as Ryan

Unforgettable
as Tanya Sitkowsky

The Jonathan Ross Show
as Self - Guest
Spark
as Suze

Imogen
as Natalie

It's Always Sunny in Philadelphia
as Lisa

Law & Order: Special Victims Unit
as Jess Hardwicke

The Emmy Awards
as Self
Zero K

The George Lucas Talk Show: Live
as Self