Actor
| 1. | The Lovemaster (1997) | |
| 2. | Dark Planet (1996) | |
| 3. | Magic in the Water (1995) as Dr. Wanda Bell | |
| 4. | The Favor (1994) | |
| 5. | All I Want for Christmas (1991) as Catherine O'Fallon | |
| 6. | Necessary Roughness (1991) | |
| 7. | Arachnophobia (1990) as Molly Jennings | |
| 8. | Side Out (1990) | |
| 9. | Parenthood (1989) | |
| 10. | When Harry Met Sally... (1989) | |
| 11. | Clean and Sober (1988) | |
| 12. | House On Sorority Row (1983) |
Most Popular Films with Harley Jane Kozak
| 1. | When Harry Met Sally... | 1989 |
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| 2. | Side Out | 1990 |
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| 3. | The Lovemaster | 1997 |
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| 4. | Arachnophobia | 1990 |
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| 5. | House On Sorority Row | 1983 |
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| 6. | Necessary Roughness | 1991 |
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| 7. | Magic in the Water | 1995 |
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| 8. | Parenthood | 1989 |
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| 9. | Clean and Sober | 1988 |
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| 10. | All I Want for Christmas | 1991 |
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