
Clea Helen D'Etienne DuVall (born September 25, 1977) is an American actress, writer, producer, and director. She is known for her appearances in the films The Faculty (1998), She's All That; But I'm a Cheerleader; Girl, Interrupted (all 1999); Identity, 21 Grams (both 2003), The Grudge (2004), Zodiac (2007), Conviction (2010), and Argo (2012).
On television, she played Sofie in Carnivàle (2003–2005), Audrey Hanson in Heroes (2006–2007), Wendy Peyser in American Horror Story: Asylum (2012–2013), Emma Borden in The Lizzie Borden Chronicles (2015), Lara Cruz in Better Call Saul (2015–2017), Marjorie in Veep (2016–2019), and Sylvia in The Handmaid's Tale (2018–2022).
In 2016, DuVall made her feature directorial debut with The Intervention, which she also wrote and co-produced. Her next project as director was Happiest Season in 2020.
DuVall was born in Los Angeles, California. Her father, Steph DuVall, is also an actor. Her forename derives from the novel Clea by Lawrence Durrell. She once worked in a coffee shop and studied at the Los Angeles County High School for the Arts.

Identity
2003 · as Ginny

Zodiac
2007 · as Linda del Buono

Argo
2012 · as Cora Lijek

Girl, Interrupted
1999 · as Georgina

But I'm a Cheerleader
2000 · as Graham

The Faculty
1998 · as Stokely 'Stokes' Mitchell

The Grudge
2004 · as Jennifer Williams

She's All That
1999 · as Misty

Ghosts of Mars
2001 · as Bashira Kincaid

In Security
2014 · as Lena

21 Grams
2003 · as Claudia

Swiped
2025 · as Charlotte

The Astronaut's Wife
1999 · as Nan

Passengers
2008 · as Shannon

Helter Skelter
2004 · as Linda Kasabian

Virtuality
2009 · as Sue Parsons

Committed
2000 · as Mimi

Can't Hardly Wait
1998 · as Jana