High Quality Content by WIKIPEDIA articles! Duncan Button is a fictional character from the British Channel 4 soap opera Hollyoaks, played by Dean Aspen. He debuted on-screen during the episode airing on 2 November 2009. Duncan was originally credited as Duncan Smith until he was credited with Button. In May 2011, it was announced that Aspen had quit his role and Duncan departed the series on 11 November 2011.