Guest Stars Duncan Pow as Dr. James Haslam Stephanie Gil as Ellie Bailey Judah Cousin as Toby Daszkiewicz Emma Stansfield as Emma Black Sophia Ally as Gracie Sturgess Kierra Thompson as Annie Bailey Amber Aga as DI Lata Mishra Faye McKeever as Jayne McNaughten Jill Winternitz as Yulia Skripal Melanie Gutteridge as Claire Sturgess Michael Shaeffer as Stephen Kemp Wayne Swann as Sergei Skripal Kimberley Nixon as Hannah Mitchell Mark Weinman as Major McPherson Joanne Henry as Woman 2 Katherine Jakeways as DS Janet Brown Stephen Kennedy as Jimmy Emma Noakes as DS Izzy Rawlings Katherine Jack as Police Officer Andy Gathergood as Sergeant Tom Mackle Candida Gubbins as Woman 1