Actor
| 1. | Transporter 3 (2008) | |
| 2. | Hitman (2007) as youri | |
| 3. | Good Night, and Good Luck. (2005) | |
| 4. | Hostage (2005) | |
| 5. | Species III (2004) as Dr. Abbott | |
| 6. | Jackie, Ethel, Joan: The Women of Camelot (2001) as Robert F. Kennedy | |
| 7. | Lady in the Box (2000) | |
| 8. | Absence of the Good (1999) | |
| 9. | Phantoms (1998) | |
| 10. | Everyone Says I Love You (1996) | |
| 11. | Jaded (1996) | |
| 12. | Where the Day Takes You (1992) | |
| 13. | Gas Food Lodging (1992) | |
| 14. | Young Guns II (1990) as Deputy Carlyle | |
| 15. | Renegades (1989) | |
| 16. | D.O.A. (1988) |
Most Popular Films with Robert Knepper
| 1. | Good Night, and Good Luck. | 2005 |
|
| 2. | Hitman | 2007 |
|
| 3. | Where the Day Takes You | 1992 |
|
| 4. | Transporter 3 | 2008 |
|
| 5. | Gas Food Lodging | 1992 |
|
| 6. | Renegades | 1989 |
|
| 7. | Young Guns II | 1990 |
|
| 8. | Jaded | 1996 |
|
| 9. | Phantoms | 1998 |
|
| 10. | Hostage | 2005 |
|
