Complex sentence: The character has also appeared in a stage adaptation of the book, Tracy Beaker Gets Real, staring Sarah Churm as Tracy and written by Mary Morris, who was one of the writers of the TV series.
Split into simpler sentences: The character has also appeared in a stage adaptation of the book, "Tracy Beaker Gets Real", staring Sarah Churm as Tracy. It was written by Mary Morris, one of the writers of the TV series.