Movies:
* Close Encounters of the Third Kind (1977) - Jillian Guiler
* A Christmas Story (1983) - Mother
* Absence of Malice (1981) - Megan Carter
* The Howling (1981) - Karen White
* The Right Stuff (1983) - Trudy Cooper
* Harry and the Hendersons (1987) - Nancy Henderson
* The Jewel of the Nile (1985) - The American Tourist
* Stakeout (1987) - Marcie
* The Accidental Tourist (1988) - Sarah Leary
* Frankenweenie (1984) - Elsa Van Helsing (voice)
* Slums of Beverly Hills (1998) - Aunt Rita
* Magnolia (1999) - Earl's Mom
* The Shape of Things (2003) - Evelyn
* The Grand (2007) - Mrs. Tremont
* The Swell Season (2009) - Glenda
* The Artist (2011) - Constance
* The Best of Me (2014) - Momma
* The Finest Hours (2016) - Miriam
Television:
* The Waltons (1972-1981) - Eliza Walton
* The Virginian (1962-1971) - Various roles
* The Streets of San Francisco (1972-1977) - Various roles
* The Rockford Files (1974-1980) - Various roles
* M*A*S*H (1972-1983) - Various roles
* Grey's Anatomy (2005-2016) - Dr. Anne Sorenson
* The Good Wife (2009-2016) - Ruth Eastman
* The Big Bang Theory (2007-2019) - Mrs. Wolowitz
This is just a selection of her work. Dillon has appeared in many other movies and television shows over the years, and she continues to act today.
Would you like to know more about her work in a particular genre or time period? Or perhaps you're interested in her early career?