 Smethurst is the son of "Love Thy Neighbour" star Jack Smethurst.During a 1998 production of "Hamlet" at the Birmingham Repertory Theatre, Smethurst met his future wife, Rakie Ayola.Ayola has stated that there was initially "no spark" between them, however they met again two years later during a production of "Twelfth Night", and went on to become a couple.