Aimee-Ffion Edwards Sarah Adams Actor Jordan Bolger Connor Actor Laurie Kynaston Frankie Actor Miriam Petche Carrie Symonds Actor Daniel Mays John Worboys Actor Aasiya Shah Laila Mahmood Actor David Fynn DS Steve Warrilow Actor Alexa Davies PC Stephanie Ellis Actor Philippa Dunne Harriet Wistrich Actor David Ganly PC Tony Wright Actor Ava Hinds-Jones Georgie Actor Liam Garrigan DI David Reid Actor Estella Daniels Nurse Rachel Actor Ryan Davies Male Officer Actor Alex Price DI Stephen Underwood Actor Sudha Bhuchar Salma Actor Kammy Darweish Latif Actor David Elliot Gavin Actor Kae Alexander Sadie Actor Lashay Anderson Nicky Actor Jeff Pope Writer, Executive Producer Saurabh Kakkar Executive Producer Catrin Lewis Defis Producer Julia Ford Director