| Minor Character: Miami | |
 | |
| Name | Kenwall Duquesne |
| Gender | Male |
| Family | Calleigh Duquesne (Daughter) Eric Delko (Calleigh's husband) |
| City | Miami |
| Occupation | Lawyer |
| Status | Alive |
| Portrayed By | John Heard |
| First Appearance | Double Cap |
Kenwall "Duke" Duquesne is a lawyer and also the father to CSI/Detective Calleigh Duquesne.
He has a drinking problem which has brought him into conflict with Calleigh and the CSI on a few occasions.