James Biddlecombe, who played Larry the barman, is the real life "Biddie" from Simon Doonan's book, on whom the character "Kylie" was based.
Olivia Colman (Debbie Doonan) & Meera Syal (Aunty Hayley) also worked together on seven episodes of Broadchurch (2013) as Ellie Miller & Judge Sonia Sharma respectively.