Actor
| 1. | The Love God? (1999) | |
| 2. | The Main Event (1979) | |
| 3. | The Strongest Man In The World (1975) | |
| 4. | Million Dollar Duck (1971) as Rutledge | |
| 5. | Beneath the Planet of the Apes (1970) as Gen. Ursus | |
| 6. | Clambake (1967) as Duster Heyward | |
| 7. | The Silencers (1966) as MacDonald | |
| 8. | The Sons of Katie Elder (1965) | |
| 9. | The Manchurian Candidate (1962) | |
| 10. | X-15 (1961) | |
| 11. | The Naked City (1948) as Ptl. Albert Hicks |
Most Popular Films with James Gregory
| 1. | The Naked City | 1948 |
|
| 2. | The Love God? | 1999 |
|
| 3. | Million Dollar Duck | 1971 |
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| 4. | Clambake | 1967 |
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| 5. | The Main Event | 1979 |
|
| 6. | The Strongest Man In The World | 1975 |
|
| 7. | Beneath the Planet of the Apes | 1970 |
|
| 8. | The Manchurian Candidate | 1962 |
|
| 9. | The Sons of Katie Elder | 1965 |
|
| 10. | X-15 | 1961 |
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