Amanda Michelle Seyfried (/ˈsaɪfrɛd/ SY-fred; born December 3, 1985) is an American actress. She began acting at 15, with recurring roles as Lucy Montgomery in the CBS soap opera As the World Turns (1999–2001) and Joni Stafford in the ABC soap opera All My Children (2003). She came to prominence for her feature film debut in the teen comedy Mean Girls (2004) and her roles as Lilly Kane in the UPN mystery drama series Veronica Mars (2004–2006) and Sarah Henrickson in the HBO drama series Big Love (2006–2011).
Seyfried has starred in many films, including Mamma Mia! (2008) and its sequel Mamma Mia! Here We Go Again (2018), Jennifer's Body (2009), Dear John (2010), Letters to Juliet (2010), Red Riding Hood (2011), In Time (2011), Les Misérables (2012), A Million Ways to Die in the West (2014), Ted 2 (2015), and First Reformed (2017).
Seyfried received critical acclaim and nominations for the Academy Award and Golden Globe Award for Best Supporting Actress for portraying Marion Davies in David Fincher's biopic Mank (2020). For her starring role as Elizabeth Holmes in the Hulu miniseries The Dropout (2022), she won the Golden Globe Award and Primetime Emmy Award for Outstanding Lead Actress. In 2022, Time named her one of the 100 most influential people in the world.
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I Don't Understand You
Candice
2025

Seven Veils
Jeanine
2025

Skin & Bone
Serene
2022

The Magic of the Movies: Behind the Scenes of David Fincher's Mank
Self
2021

You Should Have Left
Susanna
2020

The Art of Racing in the Rain
Avery "Eve" Swift
2019

Holy Moses
Mary
2018

Mamma Mia! Here We Go Again
Sophie Sheridan
2018

First Reformed
Mary Mensana
2018

Anon
The Girl
2018

Gringo
Sunny
2018

The Clapper
Judy
2018

The Last Word
Anne Sherman
2017

Love the Coopers
Ruby
2015

Fathers and Daughters
Katie Davis
2015

Pan
Mary
2015

Unity
Narrator (voice)
2015

Ted 2
Samantha
2015

While We're Young
Darby Massey
2015

A Million Ways to Die in the West
Louise
2014

Dog Food
Eva
2014

Lovelace
Linda Lovelace
2013

Epic
Mary Katherine (M.K.) (voice)
2013

The Big Wedding
Missy O'Connor
2013

The End of Love
Amanda
2013

Les Misérables
Cosette
2012

Gone
Jill Conway
2012

In Time
Sylvia Weis
2011

A Bag of Hammers
Amanda (uncredited)
2011

Red Riding Hood
Valerie
2011

Chloe
Chloe Sweeney
2010

Dear John
Savannah Lynn Curtis
2010

Jennifer's Body
Needy
2009

Boogie Woogie
Paige Prideaux
2009
Birthing Mamma Mia!
Self
2008
Official Selection
Emily
2008

Mamma Mia!
Sophie Sheridan
2008

Solstice
Zoe
2008
Gypsies, Tramps & Thieves
Chrissy
2006

Alpha Dog
Julie Beckley
2006

American Gun
Mouse
2005

Nine Lives
Samantha
2005

Mean Girls
Karen Smith
2004

Niềm Tin Lung Lay
Amanda Seyfried

The Housemaid
Nina Winchester
2025

The Dropout
Elizabeth Holmes · (8 episodes)
2022

A Mouthful of Air
Julie Davis
2021

Birdwatching
Young Woman
2021

Things Heard & Seen
Catherine Claire
2021

Roll Up Your Sleeves
Self
2021

Mank
Marion Davies
2020

Scoob!
Daphne Blake (voice)
2020
Today with Hoda & Jenna
Self · (1 episode)
2019

When You Wish Upon a Pickle: A Sesame Street Special
Natalie Neptune
2018

The Late Show with Stephen Colbert
Self · (1 episode)
2015

Late Night with Seth Meyers
Self · (5 episodes)
2014

JT: Reflections
Self
2013

Les Misérables: The History of the World's Greatest Story
Self
2013

Letters to Juliet
Sophie
2010
Mamma Mia! 3
Sophie Sheridan

Ann Lee
Ann Lee
The Life and Deaths of Wilson Shedd

Long Bright River
Mickey Fitzpatrick · (8 episodes)
2025

The Crowded Room
Rya Goodwin · (10 episodes)
2023

The Kelly Clarkson Show
(2 episodes)
2019

The Late Show with Stephen Colbert
(1 episode)
2015

Variety Studio: Actors on Actors
Self · (2 episodes)
2014

Cosmos
Marie Tharp (voice) · (1 episode)
2014

The Tonight Show Starring Jimmy Fallon
Self · (1 episode)
2014

The Tonight Show Starring Jimmy Fallon
(2 episodes)
2014

Conan
Self · (1 episode)
2010

The Graham Norton Show
Self · (1 episode)
2007

Justice
(2 episodes)
2006

Big Love
Sarah Henrickson · (44 episodes)
2006

Wildfire
Rebecca · (5 episodes)
2005

American Dad!
Amy (voice) · (1 episode)
2005

House
Pam · (1 episode)
2004

Veronica Mars
Lilly Kane · (11 episodes)
2004

Jimmy Kimmel Live!
Self · (1 episode)
2003

CSI: Crime Scene Investigation
Lacey Finn · (1 episode)
2000

Law & Order: Special Victims Unit
Tandi McCain · (1 episode)
1999

Family Guy
Ellie (voice) · (1 episode)
1999

MTV Movie & TV Awards
Self · (1 episode)
1992

MTV Movie & TV Awards
Self / Presenter · (2 episodes)
1992

Twin Peaks
Rebecca "Becky" Burnett · (4 episodes)
1990

The Simpsons
Dr. Spivak (voice) · (1 episode)
1989

The Oscars
Self · (1 episode)
1953
Ted: The Animated Series
Sam (voice) · (0 episode)