He acted in John Sharp's play, "Say Nothing," at the Theatre Royal in Stratford East, England with John Sharp, Margot Boyd, and Joan Haythorne in the cast. John Gibson was director.
At the London film museum in 2010, 'Zulu' had a special exhibition of film memorabilia to which Denys appeared at. He was briefly interviewed
for a short documentary all about the 'opening day' within the museum.