Complex sentence: Harry Mason is a fictional character on ITV soap opera "Coronation Street", portrayed by Jack Ellis and made a first onscreen appearance on 3 December 2007 when he and his son Dan Mason took over the betting shop on Rosamund Street.
Split into simpler sentences: Harry Mason is a fictional character on the ITV soap opera "Coronation Street", portrayed by actor Jack Ellis. He made his first onscreen appearance on 3 December 2007 when he and his son Dan Mason took over the betting shop on Rosamund Street.