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.

Filmography

• I Will Find You — Rachel Mills
• 2026Sender — Julia Day, Executive Producer
• 2025Darkest Miriam — Miriam Gordon
• 2025Psycho Therapy: The Shallow Tale of a Writer Who Decided to Write About a Serial Killer — Suzie, Executive Producer
• Severance — Helly Riggs
• 2022Show Pony — Kate
• American Horror Stories — Fay Mellon
• 2020Circus Person — Ava, Writer, Director
• 2020Holly Slept Over — Audra
• 2018A Civilized Life — Jack
• 2018Faith — Padma
• 2018Staycation — Jill
• 2018The Shadow Hours — Dorothy
• 2017Domain — Phoenix
• Future Man — Jeri Elizabeth Lang
• Ghosted — Claire
• 2017Mr. Roosevelt — Celeste Jones
• Bad Internet
• 2016Don't Worry Baby — Anna
• 2016How to Lose Weight in 4 Easy Steps! — Rachael
• 2016Swell — Ana
• Wrecked — Margot Wallace
• Man Seeking Woman — Liz Greenberg
• 2015Sisters — Mrs. Geernt
• 2015The Shells — Alex
• 2015Those People — Ursula
• 2014Beside Still Waters — Olivia
• 2014Re: Jess — Jess, Story
• 2013One Trick Dieter — Ellen
• 2012The Letter — Kathleen
• 2012The Worst — Ryan
• Unforgettable — Tanya Sitkowsky
• 2010Spark — Suze
• 2008Imogen — Natalie
• It's Always Sunny in Philadelphia — Lisa
• Law & Order: Special Victims Unit — Jess Hardwicke
• Zero K

Appearances as themselves (9)

• The Kelly Clarkson Show — Self
• Quotidien — Self - Guest
• The Late Show with Stephen Colbert — Self
• Late Night with Seth Meyers — Self - Guest
• The Tonight Show Starring Jimmy Fallon — Self - Guest
• The Jonathan Ross Show — Self - Guest
• The Daily Show — Self - Guest
• The Emmy Awards — Self
• The George Lucas Talk Show: Live — Self