Guest Stars India Fowler as Ellen Mason Amy James-Kelly as Jennny Delaney Freddie Thorp as Chris Chahal Isabelle Allen as Carrie Delaney Louis Greatorex as Henry Mason 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 Hero Fiennes Tiffin as Ioan Fuller 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