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