Mary Lynn Rajskub (born June 22, 1971) is an American actress and comedian, best known for her roles as Chloe O'Brian on the Fox action-thriller 24, Norah in The Tomorrow War, Theresa in Night School, Erin Roberts on the Starz series The Girlfriend Experience, Captain Davis in The Kings of Summer, Bridget Bay in Safety Not Guaranteed, Sarah in Julie & Julia, Lynn in Sunshine Cleaning, Janet Stone in Firewall, Reena Giuliani in Legally Blonde 2, Elizabeth Egan in Punch-Drunk Love, Dorothea in Sweet Home Alabama, and Zelmina in Dude, Where's My Car?. She has also had recurring roles as Lorraine Fuisz on the Hulu series The Dropout, Genevieve Mirren-Carter on Brooklyn Nine-Nine, Goldie on Californication, and Gail the Snail on the FX series It's Always Sunny in Philadelphia.

Filmography

• 2025Daniel's Gotta Die — Mia Powell
• North of North — Helen
• 2025Shell — Casting Director
• 2024Mary Lynn Rajskub: Road Gig — Self, Writer
• Presumed Innocent — Pathologist
• 2023Dashing Through the Snow — Mary
• 2022Please Baby Please — Lois
• The Dropout — Lorraine Fuisz
• Big Shot — Charlie
• 2021Hero Mode — Laura
• 2021Mary Lynn Rajskub: Live from the Pandemic — Self, Writer
• 2021Scooby-Doo, Where Are You Now! — Producer Bryn
• 2021The Tomorrow War — Norah
• 2021Too Late — Gina Obispo
• 2020Dinner in America — Connie
• 2019A World Away — Principal Garcia
• 2019Benjamin — Jeanette
• 2019Cold Brook — Rachel
• 2019How High 2 — Ana Cheever
• Now Apocalypse — Frank
• 2018Comedy in Color: Ladies' Night — Mary Lynn Rajskub
• 2018Night School — Theresa
• Rob Riggle's Ski Master Academy — Reporter
• 2017In Search of Fellini — Kerri
• The Guest Book — Lynn
• 2017Wilson — Jodie
• Dream Corp LLC — Patient 46
• The Girlfriend Experience — Erin Roberts
• Highston — Jean Liggetts
• 2015Sex, Death and Bowling — Kim Wells
• 2014All-Stars — Tina Travanti
• 2014Jason Nash Is Married — Erica Savage
• 2014Play Nice — Ellen Bell, Executive Producer
• Brooklyn Nine-Nine — Genevieve Mirren-Carter
• 2013The Kings of Summer — Captain Davis
• Mash Up
• 2012Safety Not Guaranteed — Bridget
• 2 Broke Girls — Bebe
• How to Be a Gentleman — Janet
• New Girl — Peg
• FCU: Fact Checkers Unit — Jordache
• Hawaii Five-0 — Crystal
• Raising Hope — Tanya
• The Benson Interruption
• 2009Julie & Julia — Sarah
• Modern Family — Tracy
• Royal Pains — Blake
• 2008Sunshine Cleaning — Lynn
• The Mentalist — Susie Hamblin
• The Middleman — Dr. Gibbs
• Californication — Goldie
• Flight of the Conchords — Art Garfunkel Fanatic
• Human Giant — Mindy
• 2007Humble Pie — Peggy Orbison
• 2006Firewall — Janet Stone
• 2006Grilled — Renee
• 2006Little Miss Sunshine — Pageant Assistant Pam
• Talkshow with Spike Feresten
• Grey's Anatomy — Marion Steiner
• It's Always Sunny in Philadelphia — Gail the Snail
• Kelsey Grammer Presents: The Sketch Show
• 2005Mysterious Skin — Avalyn Friesen
• 2004Helter Skelter — Lynette 'Squeaky' Fromme
• 2004Weezer: Video Capture Device - Treasures from the Vault 1991-2002 — Pizza Delivery Girl ("The Good Life")
• Arrested Development — Heartfire
• 2003Claustrophobia — Grace
• 2003Legally Blonde 2: Red, White & Blonde — Reena Giuliani
• 2002A Film by Kirk — Girlfriend
• Good Morning, Miami — Hollis
• 2002Punch-Drunk Love — Elizabeth Egan
• 2002Sweet Home Alabama — Dorothea
• 24 — Chloe O'Brian
• 2001Storytelling — Melinda
• 2001The Anniversary Party — Mary-Lynn
• The Downer Channel
• 2001The Girls Guitar Club — Mary Lynn, Writer
• 2000Dude, Where's My Car? — Zelmina
• Gilmore Girls — 'Girlfriend' in Kirk's Film, Troubadour
• 2000Road Trip — Blind Brenda
• 2000Sunset Strip — Eileen
• Home Movies
• 1999Magnolia — Janet (Frank's Assistant) (voice)
• 1999Man on the Moon — Friday's Mary
• 1998Bury Me in Kern County — Amanda
• The Army Show — Sgt. Madeline Tipton
• The King of Queens — Priscilla Stansna
• 1998The Thin Pink Line — Suzy Smokestack
• Just Shoot Me! — Penny
• Over the Top
• The Weird Al Show — Weather Woman
• Veronica's Closet — Chloe
• 1997Who's the Caboose? — Cheeseball
• 1996The Hitman — Mary, Writer
• 1996The Truth About Cats & Dogs — Female Radio Caller (voice)
• Mr. Show with Bob and David — Various
• NewsRadio — Waitress
• The Larry Sanders Show — Marylou Collins
• The Simpsons — Chloe O'Brian (voice)
• LIVE with Kelly and Mark
• Marfa Lights — Anita

Appearances as themselves (32)

• After Midnight — Self - Guest
• Celebrity Wheel of Fortune — Self - Contestant
• Lights Out with David Spade — Self - Panelist
• The Kelly Clarkson Show — Self
• 25 Words or Less — Self
• The $100,000 Pyramid — Self
• 2016The Last Laugh — Self (archive footage) (uncredited)
• To Tell the Truth — Self - Panelist
• World's Funniest Fails — Self - Panelist
• Late Night with Seth Meyers — Self
• 2014Showing Up — Self
• The Tonight Show Starring Jimmy Fallon — Self
• The Wil Wheaton Project — Self
• @midnight with Chris Hardwick — Self
• Maron — Herself
• Gotham Comedy Live — Self - Host
• The Burn with Jeff Ross — Self
• Talking Dead — Self
• Conan — Self
• Celebrity Ghost Stories — Self
• Free Radio — Self
• Hell's Kitchen — Self - Restaurant Patron
• The Late Late Show with Craig Ferguson — Self
• The Soup — Self
• The Tony Danza Show — Self
• Jimmy Kimmel Live! — Self
• 2002Run Ronnie Run — Self
• The View — Self
• Late Night with Conan O'Brien — Self - Guest
• The Tonight Show with Jay Leno — Self
• Laugh Factory — Self
• Saturday Night Live — Self - Cameo (uncredited)