Mary Steenburgen
| Year | Movie | Function | Role |
| 2011 | Wilfred | actor | Catherine (2 episodes, 2011) |
| 2011 | Fight for Your Right Revisited | actor | Café Patron |
| 2010 | Dirty Girl | actor | Peggy |
| 2009 | Did You Hear About The Morgans? | actor | Emma Wheeler |
| 2009 | The Proposal | actor | Grace Paxton |
| 2009 | In the Electric Mist | actor | Bootsie Robicheaux |
| 2009 | The Open Road | actor | Katherine |
| 2009 | Happiness Isn't Everything | actor | Audrey Veill |
| 2008 | Four Holidays | actor | Marilyn |
| 2008 | Step Brothers | actor | Nancy Huff |
| 2007 | Nobel Son | actor | Sarah Michaelson |
| 2007 | Numb | actor | Dr. Cheryl Blaine |
| 2007 | Numb | actor | Dr. Blaine |
| 2007 | The Brave One | actor | Carol |
| 2007 | Honeydripper | actor | Amanda Winship |
| 2007 | Elvis and Anabelle | actor | Geneva |
| 2006 | The Dead Girl | actor | Beverley, Leah's Mother |
| 2006 | Inland Empire | actor | Visitor #2 |
| 2005 | Marilyn Hotchkiss Ballroom Dancing and Charm School | actor | Marienne Hotchkiss |
| 2003 | Elf | actor | Emily |
| 2003 | Casa de los Babys | actor | Gayle |
| 2003 | Hope Springs | actor | Joanie Fisher |
| 2002 | Sunshine State | actor | Francine Pinkney |
| 2002 | Wish You Were Dead | actor | Sally Rider |
| 2002 | La porte de l'au-delà | actor | Detective Karen Condrin |
| 2001 | I Am Sam | actor | Dr. Blake |
| 2001 | Life as a House | actor | Colleen Beck |
| 2001 | The Trumpet Of The Swan | actor | Mother (voice) |
| 2001 | Nobody's Baby | actor | Estelle |
| 2000 | Curb Your Enthusiasm Season 1 | actor | Mary Steenburgen (5 episodes, 2000-2009) |
| 1999 | Noah's Ark | actor | Naamah |
| 1996 | Gulliver's Travels | actor | Mary Gulliver |
| 1995 | The Grass Harp | actor | Sister Ida |
| 1995 | Nixon | actor | Hannah Nixon |
| 1995 | Powder | actor | Jessie Caldwell |
| 1995 | My Family | actor | Gloria |
| 1994 | It Runs in the Family | actor | Mrs. Parker (Mother) |
| 1994 | Clifford | actor | Sarah Davis |
| 1994 | Pontiac Moon | actor | Katherine Bellamy |
| 1993 | Philadelphia | actor | Belinda Conine |
| 1993 | What's Eating Gilbert Grape | actor | Betty Carver |
| 1991 | The Butcher's Wife | actor | Stella Keefover |
| 1990 | Back to the Future Part III | actor | Clara Clayton |
| 1990 | The Long Walk Home | actor | Narrator (voice) |
| 1989 | Parenthood | actor | Karen Buckman |
| 1989 | Miss Firecracker | actor | Elain Rutledge |
| 1987 | End of the Line | actor | Rose Pickett |
| 1987 | Dead of Winter | actor | Julie Rose / Katie McGovern / Evelyn |
| 1987 | The Whales of August | actor | Young Sarah |
| 1985 | One Magic Christmas | actor | Ginny Hanks Grainger |
| 1983 | Romantic Comedy | actor | Phoebe Craddock |
| 1983 | Cross Creek | actor | Marjorie Kinnan Rawlings |
| 1982 | A Midsummer Night's Sex Comedy | actor | Adrian |
| 1981 | Ragtime | actor | Mother |
| 1980 | Melvin and Howard | actor | Lynda Dummar |
| 1979 | Time After Time | actor | Amy Robbins |
| 1978 | Goin' South | actor | Julia Tate / Moon |