Biography
Margaret JoBeth Williams (born December 6, 1948) is an Academy Award, Golden Globe, and Emmy nominated American film and television actress and director, and current President of the Screen Actors Guild Foundation.
Williams rose to prominence appearing in such films as Stir Crazy (1980), Poltergeist (1982), The Big Chill (1983), The Day After (1983), Teachers (1984), and Poltergeist II: The Other Side (1986).
A three-time Emmy Award nominee, she was nominated for Outstanding Lead Actress in a Miniseries or a Movie for her work in the TV movie Adam (1983) and the TV miniseries Baby M (1988). Her third nomination was for her guest role in the sitcom Frasier (1994).
Her directorial debut with the 1994 short film On Hope earned her an Academy Award nomination for Best Live Action Short Film.
She also starred in the TV series The Client (1995–96), and had recurring roles in the TV series Dexter (2007) and Private Practice (2009–11).
In 2009 she began serving as president of the Screen Actors Guild Foundation; she is President Emeritus of the foundation.
She has also had numerous guest starring roles on TV and has starred in several TV movies.
Filmography
Cast Credits

Not Without Hope
Character: Marcia
MOVIE • 2025

Cash for Gold
Character: Boots
MOVIE • 2024

Chantilly Bridge
Character: Natalie
MOVIE • 2023

1982: Greatest Geek Year Ever!
Character: Self
MOVIE • 2022

What the Night Can Do
Character: Bettye Sue Dryer
MOVIE • 2020

Josh Gates Tonight
Character: Self
TV • 2020

SGT. Will Gardner
Character: Sherry
MOVIE • 2019

A Million Little Things
Character: Lana Strobe
TV • 2018

Alex & the List
Character: Mrs. Stern
MOVIE • 2018

Station 19
Character: Reggie
TV • 2018

The Good Doctor
Character: Ruth
TV • 2017

Barracuda
Character: Patricia
MOVIE • 2017

Within
Character: Rosemary Fletcher
MOVIE • 2016

The Last Film Festival
Character: Mayor
MOVIE • 2016

Heartbeat
Character: Isobel Dixon
TV • 2016

In My Dreams
Character: Charlotte Smith
MOVIE • 2015

Your Family or Mine
Character: Ricky
TV • 2015

Marry Me
Character: Myrna
TV • 2014

Extant
Character: Leigh Kern
TV • 2014

Perception
Character: Margaret Pierce
TV • 2012
Crew