John Michael Terence Wellesley Denison was primarily a stage actor, often appearing with his wife, Dulcie Gray, with whom he featured in several films and more than 100 West End theatre productions. He became known for his appearance in the title role of the long-running courtroom series Boyd QC which ran on British television from 1956 to 1964.
| Episode |
Private Schulz Part Five |
1981 |
| Episode |
The Professionals Everest Was Also Conquered |
1978 |
| Episode |
Late Night Theatre The Twelve-Pound Look |
1973 |
| Episode |
Tales from the Crypt Last Respects |
1996 |
| Episode |
This is Your Life (UK) Gabrielle Drake |
1987 |
| Episode |
The Agatha Christie Hour The Red Signal |
1982 |
