Isobel Middleton replaces Amelia Bullmore who played Catriona Bilborough in series 1.
The Hillsborough "accident" where 96 football fans were crushed to death is talked about many times during "To Be a Somebody". Christopher Eccleston who plays DCI Bilborough also starred in the 1996 film "Hillsborough" about the same subject.
On 13 minutes, the Channel 4 quiz show Countdown is shown on a TV in the pub. It was the first show the channel showed when it started in in 1982.