Derek Benfield successfully combined the career of a character actor with that of a prolific playwright, with more than thirty plays to his credit. Derek Benfield enjoyed his greatest recognition in three popular series each made a decade apart - The Brothers, First of the Summer Wine and Hetty Wainthropp Investigates.
| Movie | Love Jogging | 1987 |
| Episode |
Z Cars The Guilty Ones Part 2 |
1968 |
| Episode |
ITV Play of the Week The Apple Cart |
1962 |
| Episode |
Hearts and Bones 2.4 |
2001 |
| Episode |
Agatha Christie's Poirot The Cornish Mystery |
1990 |
| Episode |
Thirty-Minute Theatre Jenkins |
1971 |
