- Played By: Esther Smith
A girl who comes back from her gap year in Thailand married to a strange man, thus beginning the show.
- Played By: Helen Baxendale
Rachel's mum, who takes a shine to Cuckoo quicker than anyone in the family.
- Played By: Greg Davies
Rachel's dad, a solicitor.
- Played By: Tyger Drew-Honey
Rachel's moody/horny teenage brother. Quite close with his parents.