
Samantha Mathis (born May 12, 1970) is an American actress and trade union leader who serves as the Vice President of SAG-AFTRA. Mathis made her film debut in Pump Up the Volume (1990), and later co-starred or appeared in such films as FernGully: The Last Rainforest (1992), Super Mario Bros. (1993), The Thing Called Love (1993), Little Women (1994), The American President (1995), Broken Arrow (1996), American Psycho (2000), and Atlas Shrugged: Part II (2012).

Isle Child
Carey Miller
2025

By Design
Lisa
2025

The Exorcism
Jennifer Simon
2024

Pet Sematary: Bloodlines
Kathy Crandall
2023

12 Desperate Hours
Val
2023

Being Frank
Bonnie
2019

All That We Destroy
Dr. Victoria Harris
2019

The Clovehitch Killer
Cindy
2018

Boarding School
Isabel
2018

Ray Meets Helen
Mary
2018

Creature Features
Self · (1 episode)
2016

American Pastoral
Penny Hamlin
2016

Bull
Avery Kress · (1 episode)
2016

The Strain
Justine Feraldo · (13 episodes)
2014

Affluenza
Bunny Miller
2014

Under the Dome
Alice Calvert · (6 episodes)
2013

Under the Dome
Dr. Alice Calvert · (2 episodes)
2013

Atlas Shrugged: Part II
Dagny Taggart
2012

Camilla Dickinson
Rose Dickinson
2012

Unanswered Prayers
Lorrie Beck
2012

Lebanon, Pa.
Vicki
2011

Good Day for It
Sarah Bryant
2011

Buried
Linda Conroy (voice)
2010

Order of Chaos
Jennifer
2010

The New Daughter
Cassandra
2009

The Good Wife
Bonita Yarrow · (1 episode)
2009

Royal Pains
Amy Hill · (1 episode)
2009

Local Color
Carla
2008

Mitch Albom's For One More Day
Young Pauline "Posey" Benetto
2007

A Stranger's Heart
Callie Morgan
2007

Secrets of a Small Town
Samantha Steele · (1 episode)
2007

Absolution
Bettina Lloyd
2006

Believe in Me
Jean Driscoll
2006

Nightmares & Dreamscapes: From the Stories of Stephen King
Karen Evans · (1 episode)
2006

Touched
Jeannie Bates
2005

Kids in America
Jennifer Rose
2005

Fathers and Sons
Jenny
2005

Grey's Anatomy
Melinda Prescott · (3 episodes)
2005

House
Maria Prodeman · (1 episode)
2004

Lost
Olivia · (1 episode)
2004

Salem's Lot
Susan Norton · (2 episodes)
2004

The Punisher
Maria Castle
2004

The Twilight Zone
Rachel Stark · (1 episode)
2002

Searching for Debra Winger
Self
2002

The Simian Line
Mae
2001

Law & Order: Criminal Intent
Christine Ansel · (1 episode)
2001

The Mists of Avalon
Gwenwyfar · (2 episodes)
2001

Night Visions
Diane Ballard (segment "The Bokor") · (1 episode)
2001

Attraction
Corey
2001

First Years
Ann Weller · (3 episodes)
2001

Curb Your Enthusiasm
Donna · (1 episode)
2000

Mermaid
Rhonda
2000

American Psycho
Courtney Rawlinson
2000

Harsh Realm
Sophie Green · (1 episode)
1999

Law & Order: Special Victims Unit
Hilary Barclay · (1 episode)
1999

Law & Order: Special Victims Unit
Catherine Summers · (1 episode)
1999

Law & Order: Special Victims Unit
Melanie Franks · (1 episode)
1999

The Late Late Show with Craig Kilborn
Self - Guest · (1 episode)
1999

Freak City
Ruth
1999

Sweet Jane
Jane
1998

Museum of Love
Stephanie
1996

Broken Arrow
Terry Carmichael
1996

The American President
Janie Basdin
1995

How to Make an American Quilt
Young Sophia
1995

Jack & Sarah
Amy
1995

The Outer Limits
Marie Wells · (1 episode)
1995

Little Women
Older Amy March
1994

The Thing Called Love
Miranda Presley
1993

The Music of Chance
Tiffany
1993

Super Mario Bros.
Daisy
1993

FernGully: The Last Rainforest
Crysta (voice)
1992

This Is My Life
Erica Ingels
1992

To My Daughter
Anne Carlston
1990

83 Hours 'Til Dawn
Julie Burdock
1990

Extreme Close-Up
Laura
1990

Pump Up the Volume
Nora Diniro
1990

Cold Sassy Tree
Lightfoot McClendon
1989

Knightwatch
Jacquline 'Jake' Monroe · (9 episodes)
1988

Forbidden Sun
Paula
1988
Aaron's Way
Roseanne Miller · (14 episodes)
1988