Complex sentence: In 2013, he played the lead character's son, Adam, in the television series "The Tunnel", a British/French crime-drama co-production which airs in the UK and in France.
Split into simpler sentences: In 2013, he played the lead character's son, Adam, in the television series "The Tunnel". The series is a British/French crime-drama co-production, and airs in the UK and in France.