Guest Stars Alexa Davies as Lucie Hudson Siân Reese-Williams as Tina Harcourt Stephen Walters as Robbie Shaw Geoff Bell as Brian Collyer Michael Maloney as Judge Christopher Lansing Tahliya Lowles as Poppy Harcourt Raymond Coulthard as D.S. Donald Hart Gabrielle Glaister as Donna Collyer Ben Caplan as Peter Harcourt Janine Wood as Sharon Evelina Garry Robson as DI Sid Clarke Seraphina Beh as Jade Brandyce Liam Ainsworth as Owen Gillick Joy Richardson as Mrs. Lasher Isis Davis as Cheryl Wilkes Zoe Harrison as Carol Alexander Ellie Dadd as Cat Shaw Sienna Sayer as Daisy Harcourt Sid Sagar as Ben Malhotra
