Acting
- 1986Peter the GreatOld Peter the Great4 ep.
- 1981The Day of the TriffidsMajor Anderson1 ep.
- 1979Dick TurpinJack Foxwell2 ep.
- 1975The SweeneyFred2 ep.
- 1973The Jensen CodeSecurity Man2 ep.
- 1960Bootsie and Snudge1 ep.
Guest appearances
- 1979Dick TurpinFoxwell, Jack Foxwell2 ep.
- 1981The Day of the TriffidsMajor Anderson1 ep.
- 1977Van der ValkDuty Officer1 ep.
- 1975The SweeneyFred2 ep.
- 1974Bootsie and Snudge1 ep.
- 1973The Jensen CodeSecurity Man2 ep.
- 1969Thirty-Minute TheatreVano1 ep.
Also known as: Dennis De Marne · Denis de Marne · Denis De Marne · Dennis de Marne · Denis Anthony John De Marne