Complex sentence: He first appeared in long running soap opera Shortland Street as Sean Kearney, the son of Dr. David Kearney, then later as the character Stanley Nolan.
Split into simpler sentences: He first appeared in long running soap opera Shortland Street as Sean Kearney, the son of Dr. David Kearney. His second appearance in soap opera Shortland Street was as the character Stanley Nolan.