Actor
| 1. | Fever Pitch (2005) as Maureen Meeks | |
| 2. | Justice (1999) | |
| 3. | Jackie's Back! (1999) as Jo Face | |
| 4. | LIttle City (1998) | |
| 5. | Jungle 2 Jungle (1997) as Dr. Patricia Cromwell | |
| 6. | Just Write (1997) | |
| 7. | Wyatt Earp (1994) | |
| 8. | Stop! Or My Mom Will Shoot (1992) as Lt. Gwen Harper | |
| 9. | Dutch (1991) | |
| 10. | Switch (1991) | |
| 11. | Memories of Me (1988) | |
| 12. | Poltergeist II: The Other Side (1986) | |
| 13. | Desert Bloom (1986) | |
| 14. | American Dreamer (1984) | |
| 15. | The Big Chill (1983) | |
| 16. | The Day After (1983) | |
| 17. | Poltergeist (1982) | |
| 18. | The Dogs of War (1980) | |
| 19. | Stir Crazy (1980) | |
| 20. | Kramer vs. Kramer (1979) |
Director
| 1. | Frankie and Hazel (2000) Director | |
| 2. | On Hope () Director | |
| 3. | Winona's Web () Director |
Miscellaneous Crew
| 1. | The Big Chill (1983) Music |
Producer
| 1. | On Hope () Producer |
Most Popular Films with JoBeth Williams
| 1. | Poltergeist | 1982 |
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| 2. | Winona's Web |
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| 3. | Wyatt Earp | 1994 |
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| 4. | The Day After | 1983 |
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| 5. | Fever Pitch | 2005 |
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| 6. | Frankie and Hazel | 2000 |
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| 7. | Dutch | 1991 |
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| 8. | The Big Chill | 1983 |
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| 9. | Jackie's Back! | 1999 |
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| 10. | Jungle 2 Jungle | 1997 |
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