Guest Stars Talia Walker-Bassols as Meredith Warren Thomas Dominique as Lee Warren Rhiannon Harper-Rafferty as Debbie Warren Rosie Jones as Miss Elena Rogers Kyle Rowe as Shane Fisher John Alastair as Rob Shaw Muki Zubis as PC Davies Carys Gaylor as Chloe Fisher Tom Ashley as Sergeant Dorse Lunar Longhurst as Tilly Fisher Harley Broomfield as Archie Sandra Huggett as Karen Mulligan Rachel Denning as Head Chef Tom Moran as Homeless Man Zoë Aldrich as Not Our Lucy Angela Bain as Cathy Martin Maxine Finch as Mrs Hunt