He trained at Rosslyn School of Drama in London and was in the original cast of world hit Mamma Mia. Many people were devoted to his character Dennis falling in love with and marrying his adopted sister Sharon (Letitia Dean). His character’s first notable bustup was with local hard man Phil Mitchell whom he punched in his very first episode making him the first of his many enemies. Harman left EastEnders on 5 November 2005, and his final episode was aired on 30 December 2005 in which Dennis was stabbed to death in the street by one of Johnny Allen’s (Billy Murray) henchman (it was later discovered to be Danny Moon, played by Jake Maskall). in December 2006 Nigel appeared alongside Bonnie Langford in Guys and Dolls at the Alexandra Theatre, Birmingham as part of the show’s UK tour. Other venues of the tour were the Theatre Royal, Brighton and the Richmond Theatre. The tour concluded at the Tricycle Theatre in Kilburn. He completed his run with the show on February 27, 2012, and was replaced by fellow EastEnders star Neil McDermott.
