 | The Bad Seed Returns (2022) as Dr. March |
 | Always Amore (2022) as Nonna |
 | The Bad Seed (2018) as Dr. March |
 | House of Deadly Secrets (2018) as Sylvia Holmes |
 | Chicanery (2017) as Sandra Monescu |
 | A Moving Romance (2017) as Mrs. Norrell |
 | Marsha Hunt's Sweet Adversity (2015) as Self |
 | Buttwhistle (2014) as Grandma Confer |
 | The Master (2012) as Mildred Drummond |
 | Soda Springs (2012) as Beth |
 | 2nd Take (2011) as Estelle |
 | Safari: Silent Predators (2010) as Vera Conrad |
 | Elevator Girl (2010) as Rosemary |
 | Citizen Jane (2009) as Aunt Gertrude |
 | A Christmas Proposal (2008) as Maggie |
 | Frost/Nixon (2008) as Pat Nixon |
 | In the Wall (2007) as Dolores |
 | Left in Darkness (2006) as Grandmother |
 | Shallow Ground (2005) as Helen Reedy |
 | Mystery Woman: Snapshot (2005) as Barbara Sommers |
 | Heart of the Beholder (2005) as Helen |
 | Gone But Not Forgotten (2005) as Andrea Hammerhill |
 | Target (2004) as Maysie |
| | Enfant Terrible: A Conversation with Patty McCormack (2004) |
 | The Kiss (2003) as Priscilla Standhope |
 | Inhabited (2003) as Olivia Hagen |
 | The Medicine Show (2001) as Janice Piegi |
| | Choosing Matthias (2001) as Mrs. Leonard |
 | Acceptable Risk (2001) as Lois |
 | Silent Predators (1999) as Vera Conrad |
 | Mommy's Day (1997) as Mrs. Sterling |
 | Mommy (1995) as Mommy |
 | Saturday the 14th Strikes Back (1988) as Kate Baxter |
 | Private Road: No Trespassing (1988) as Dave Roberts |
 | Answers (1985) as Mandy Morgan (Segment "A Good Time") |
 | Invitation to Hell (1984) as Mary Peterson |
 | Night Partners (1983) as Sophie Metzman |
 | The Awakening of Cassie (1982) as Sally |
 | Bug (1975) as Sylvia Ross |
 | Murder Impossible (1974) as Tanya |
 | The Young Animals (1968) as Janet |
 | The Young Runaways (1968) as Deannie Donford |
 | The Mini-Skirt Mob (1968) as Edie |
 | Maryjane (1968) as Susan Hoffman |
 | Jacktown (1962) as Margaret |
 | The Explosive Generation (1961) as Janet Sommers |
 | The Adventures of Huckleberry Finn (1960) as Joanna Wilkes |
 | Kathy O' (1958) as Kathy O'Rourke |
 | All Mine to Give (1957) as Annabelle Eunson |
| | The Clouded Image (1957) as Jane |
 | Child of Trouble (1957) as Toby Green |
| | The Miracle Worker (1957) as Helen Keller |
 | The Bad Seed (1956) as Rhoda Penmark |
 | Atomic Attack (1954) as Ginny Mitchell |
 | Two Gals and a Guy (1951) as Fay Oliver (uncredited) |
