(1994) Heavenly Creatures

as Pauline Parker

(2006) Flags of Our Fathers

as Pauline Harnois

(1996) The Frighteners

as Deputy

(2000) But I'm a Cheerleader

as Hilary

(2009) Up in the Air

as Julie Bingham

(2009) The Informant!

as Ginger Whitacre

(2000) Coyote Ugly

as Gloria

(1998) EverAfter

as Jacqueline de Ghent

(2009) Leaves of Grass

as Colleen

(1999) Detroit Rock City

as Beth Bumsteen

(2003) Shattered Glass

as Amy Brand

(2008) Show of Hands

as Jess

(2003) Claustrophobia

as Lauren

(2006) Park

as Sheryl

(2010) Helena from the Wedding

as Alice

(2002) Abandon

as Mousy Julie (as Melanie Jayne Lynskey)

(2008) A Quiet Little Marriage

as Monique

(2013) A Kiwi Legend

as Self

(2012) Hello I Must Be Going

as Amy

(2011) Touchback

as Macy

(2011) Win Win

as Cindy Timmons

(2012) The Perks of Being a Wallflower

as Aunt Helen

(2001) Snakeskin

as Alice

(2012) Seeking a Friend for the End of the World

as Karen Amalfi

(2006) Say Uncle

as Susan

(2012) Putzel

as Sally

(2012) Eye of the Hurricane

as Amelia Kyte

(2004) The Nearly Unadventurous Life of Zoe Cadwaulder

as Zoe Cadwaulder

(2014) They Came Together

as Brenda

(2014) The Big Ask

as Hannah

(2014) We'll Never Have Paris

as Devon

(2014) Happy Christmas

as Kelly

(2014) Goodbye to All That

as Annie Wall

(2014) Chu and Blossom

as Miss Shoemaker

(2015) Digging for Fire

as Squiggy

(2016) The Intervention

as Annie

(2016) The Great & The Small

as Margaret

(2009) Away We Go

as Munch Garnett

(2024) Griffin in Summer

as Helen

Pike River

as Anna Osborne

(2016) Rainbow Time

as Lindsay

(2016) Folk Hero & Funny Guy

as Becky

(2017) Little Boxes

as Gina

(2007) Itty Bitty Titty Committee

as Pat (uncredited)

(2002) Sweet Home Alabama

as Lurlynn

(2017) 1 Mile To You

as Coach Rowan

(2017) I Don't Feel at Home in This World Anymore

as Ruth Kimke

(2017) The Changeover

as Kate Chant

(2017) XX

as Mary (segment "The Birthday Party")

(2017) And Then I Go

as Janice

(2018) Sadie

as Rae

(2002) Shooters

as Marie

(1999) The Cherry Orchard

as Dunyasha

(2001) Foreign Correspondents

as Melody

(2015) Behind Over the Garden Wall

as Self

(2021) Don't Look Up

as June Mindy

(2021) Lady of the Manor

as Hannah

(2006) Psych

as Emily Bloom

(2007) Drive

as Wendy Patrakas

(2021) Yellowjackets

as Shauna Sadecki

(2003) Two and a Half Men

as Rose

(2017) Wet Hot American Summer: Ten Years Later

as Laura

(2017) Young Sheldon

as Dora Ericson

(2004) The L Word

as Clea Mason

(2008) Comanche Moon

as Pearl Coleman

(2002) Rose Red

as Rachel Wheaton

(2024) The Tattooist of Auschwitz

as Heather Morris

(2005) It's Always Sunny in Philadelphia

as Kate

(2017) Girlboss

as Gail

(2015) Togetherness

as Michelle Pierson

(2013) Mom

as Shannon

(2021) Yellowjackets

as Self - Adult Shauna

(2016) Our Ex-Wife

as Sara

(2015) The Late Late Show with James Corden

as Self - Guest

(2002) Rose Red

as Melanie Lynskey

(2014) Celebrity Name Game

as Self

(2014) Late Night with Seth Meyers

as Self

(2022) Candy

as Betty Gore

(2018) Castle Rock

as Molly Strand

(2017) Sunshine

as Zara Skelton

(2022) The Jennifer Hudson Show

as ---

(2014) Variety Studio: Actors on Actors

as Self

(2009) Watch What Happens Live with Andy Cohen

as Self - Guest

(2002) The Shield

as Marcy

(2018) Summer Camp Island

as Sun (voice)

(2008) The Life & Times of Tim

as Becky (voice)

(2020) Mrs. America

as Rosemary Thomson

(2016) Easy

as Beth

(2004) House

as Natalie Tavares

(2014) The Tonight Show Starring Jimmy Fallon

as Self

(2019) The Kelly Clarkson Show

as Self

(2005) American Dad!

as Sharon (voice)

(2023) The Last of Us

as Kathleen Coghlan

(2016) Future-Worm!

as Megan

(2000) Big Brother

as Guest

(2014) Over the Garden Wall

as Beatrice (voice)

(1988) This Morning

as Self

(2012) Key & Peele

as Fiance