Guest Stars Siân Brooke as Karen Oliver Chris as Freddy Darren Boyd as Scott Ophelia Lovibond as Erica Robyn Cara as Jen Marian McLoughlin as Jilly Fola Evans-Akingbola as Harper Navin Chowdhry as Deven Co Starring Ava Talbot as Lauren Ciara Baxendale as Amy Bruce MacKinnon as Ben Susannah Wise as Denise Tomiwa Edun as Luke Justine Mitchell as Lizzie Denver Isaac as Kwame Justin Sysum as Phil