Guest Stars Sonya Cassidy as Celine Ashworth Rose Leslie as Lena Holgate Nina Sosanya as Chief Superintendent Rachel Waite Julie Graham as Marianne Gower Steven Hartley as Sgt. Stuart Macken Jessica Barden as Stella Macken Emily Woof as Janice Ronson Ron Cook as Brian Gower Sarah Lewis Obuba as Young Woman Jon Regan as Witness 2 Joe MacCabe as Duty PC Charlie Richmond as Witness 1 Richard Stacey as Grant Bellowes Brogan West as Dougie Cranham
