Guest Stars Claire Skinner as Charlotte Twist Sophie Melville as Daisy Philips Neil Morrissey as Ross Pickard Siân Phillips as Grandma Dix Bluey Robinson as Tony Donner Charlotte Emmerson as Martha Frankland Joshua James as Nathan Dix Dominic Mafham as Iain Frankland Robert Pickavance as Ferguson Esh Alladi as Khalid Hassan Gaia Wise as Emma Frankland Esme Scarborough as Letitia