Complex sentence: She had starred with Clive Owen, and later Izzard, in a successful London production of the play the previous year, in which she and Izzard portray the parents of a girl with severe brain damage who attempt to save their marriage through jokes and black comedy.
Split into simpler sentences: She had starred with Clive Owen, and later Izzard, in a successful London production of the play the previous year. In the play, Hamilton and Izzard portray the parents of a girl with severe brain damage who attempt to save their marriage through jokes and black comedy.