Guest Stars Elizabeth Roberts as Liv Stern Toby Oliver as Vinnie Stern Mollie Cowen as Matilda 'Tilly' Stern Amaka Okafor as Chloe Howell Moses Walcott as Dexter Hansen Harriet Webb as Ali Romario Flemming as Callum Hansen Kye Carter-Osborne as Ralph Hansen Siobhán Cullen as Carrie Scanlon Dino Fetscher as Ian Gibson Melissa James as Steph Gibson Celia Robertson as Social Worker Laura Pitt-Pulford as Deputy Head Kamari Romeo as Receptionist