Guest Stars Adjoa Andoh as Pathologist Lilly Adelayo Adedayo as Kayla Nicholas Blane as Pathologist Oswald Spear Colin Salmon as Doug Greer Michael Culkin as Justice Lockwood Jing Lusi as Gabby Tony Gardner as Commander Douglas Stone Pippa Bennett-Warner as Zana Washington Fady Elsayed as Jamal Leo Gregory as Warren Lennox Cliff Barry as Albert Carlow Raffaello Degruttola as Niccolo Joss Porter as Rodin Natasha Sparkes as Carla Mark Bagnall as Thomas King Kasey McKellar as Bobbi Washington Liam Sargeant as Jack Carlow Nisha Nayar as Namita Cresswell Shereen Gray as Shonda Washington Michael Byers as Robert Page Uncredited Robert Glenister voices Opening Narration