Guest Stars India Fowler as Ellen Mason Freddie Thorp as Chris Chahal Amy James-Kelly as Jennny Delaney Louis Greatorex as Henry Mason Isabelle Allen as Carrie Delaney Raj Paul as Darren Rohan Nedd as Mike Katy Carmichael as Rachel Delaney Emmett J. Scanlan as Josh Mason Karen Bryson as Helen Crowthorne Amy-Leigh Hickman as Sia Marshall Chook Sibtain as Neil Chahal Laila Rouass as Lauren Marshall Imogen Gurney as Tilly Chahal Ben Onwukwe as Eric Pratchett Tyler Conti as Scott Darren Kemp as B.O. Ben Paddy C. Courtney as Alan