Guest Stars Amy James-Kelly as Jennny Delaney Freddie Thorp as Chris Chahal India Fowler as Ellen Mason Isabelle Allen as Carrie Delaney Raj Paul as Darren Louis Greatorex as Henry Mason Rohan Nedd as Mike Emmett J. Scanlan as Josh Mason Karen Bryson as Helen Crowthorne Katy Carmichael as Rachel Delaney Amy-Leigh Hickman as Sia Marshall Chook Sibtain as Neil Chahal Imogen Gurney as Tilly Chahal Laila Rouass as Lauren Marshall Hero Fiennes-Tiffin as Ioan Fuller Isabella Pinto as Dora Tyler Conti as Scott Joe Standerline as Martin Stephen Henry as Tim Kenmore Kate Maravan as Alex Miller Adam Borzone as Orthopaedic Doctor Jumayn Hunter as Youth 1 Morag Peacock as Receptionist Oli Meredith as Youth 2