Guest Stars India Fowler as Ellen Mason Amy James-Kelly as Jennny Delaney Freddie Thorp as Chris Chahal Isabelle Allen as Carrie Delaney Raj Paul as Darren Louis Greatorex as Henry Mason Emmett J. Scanlan as Josh Mason Rohan Nedd as Mike Karen Bryson as Helen Crowthorne Katy Carmichael as Rachel Delaney Amy-Leigh Hickman as Sia Marshall Chook Sibtain as Neil Chahal Laila Rouass as Lauren Marshall Hero Fiennes Tiffin as Ioan Fuller Imogen Gurney as Tilly Chahal Ben Onwukwe as Eric Pratchett Isabella Pinto as Dora Stephen Henry as Tim Kenmore Zoe Dickens as Sarah Fuller Rayna Campbell as Uniform 1 Co Starring Tyler Conti as Scott