Actor
| 1. | Cars (2006) | |
| 2. | Beethoven's 5th (2003) | |
| 3. | Living In Fear (2001) as Mrs. Ford | |
| 4. | The Perfect Nanny (2000) as Mrs. Rebecca McBride | |
| 5. | Fear and Loathing in Las Vegas (1998) | |
| 6. | Inside Monkey Zetterland (1993) | |
| 7. | Amore (1993) as Mildred Schwartz | |
| 8. | Lady in White (1988) as Amanda The Lady in White | |
| 9. | Overboard (1987) as Edith Mintz | |
| 10. | Brazil (1985) as Mrs. Ida Lowry | |
| 11. | Time Bandits (1981) | |
| 12. | Family Plot (1976) as Mrs. Maloney | |
| 13. | The Hindenburg (1975) as Mrs. Mildred Breslau | |
| 14. | The Hospital (1971) as Marilyn Mead | |
| 15. | Believe In Me (1971) as Saleslady | |
| 16. | The Flight of The Dove () as Dr. Pamela Schilling | |
| 17. | Christmas Snow () | |
| 18. | Shadey () as Lady Constance Landau |
Most Popular Films with Katherine Helmond
| 1. | Fear and Loathing in Las Vegas | 1998 |
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| 2. | Cars | 2006 |
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| 3. | The Perfect Nanny | 2000 |
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| 4. | Brazil | 1985 |
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| 5. | The Flight of The Dove |
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| 6. | Beethoven's 5th | 2003 |
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| 7. | Believe In Me | 1971 |
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| 8. | Inside Monkey Zetterland | 1993 |
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| 9. | Overboard | 1987 |
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| 10. | Time Bandits | 1981 |
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