Katherine Helmond
| Year | Movie | Function | Role |
| 2007 | A Grandpa for Christmas | actor | Roxie Famosa |
| 2006 | Cars | actor | Lizzie (voice) |
| 2003 | Beethoven's 5th | actor | Crazy Cora Wilkens |
| 2002 | Mr. St. Nick | actor | Queen Carlotta |
| 1998 | Fear and Loathing in Las Vegas | actor | Desk Clerk at Mint Hotel |
| 1988 | Lady in White | actor | Amanda |
| 1987 | Overboard | actor | Edith Mintz |
| 1986 | Christmas Snow | actor | Widow Mutterance |
| 1986 | The Love Boat Season Two Volume Two | actor | Vivian / ... (3 episodes, 1981-1986) |
| 1985 | Brazil | actor | Mrs. Ida Lowry |
| 1985 | What is Brazil? | actor | Herself |
| 1982 | World War III | actor | Dorothy Longworth |
| 1982 | IMDb - World War III | actor | Dorothy Longworth |
| 1981 | Time Bandits | actor | Mrs. Ogre |
| 1976 | Baby Blue Marine | actor | Mrs. Hudkins |
| 1976 | Family Plot | actor | Mrs. Maloney |
| 1975 | The Hindenburg | actor | Mrs. Mildred Breslau |
| 1974 | The Autobiography of Miss Jane Pittman | actor | Lady at House |
| 1971 | Believe in Me | actor | Saleslady |
| 1971 | The Hospital | actor | Marilyn Mead |