By the age of 8 he already had a manager and in 1984 he made his first major television appearance in the BBC1 drama series Tenko which was followed by appearances in Alas Smith and Jones (1986) and The Honey Siege (1987). He also performed in musicals on cruise ships for six and a half months, but told Paul O’Grady that he hated the experience. A few months later, Dennis was beaten up by some heavies who had been sent around by Phil. Following his stint on Eastenders,he criticised the show for its poor quality. in October 2006, Nigel appeared in the Harold Pinter play The Caretaker at the Crucible Theatre in Sheffield.