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 Pippa Bennett-Warner as Zana Washington Fady Elsayed as Jamal Tony Gardner as Commander Douglas Stone Cliff Barry as Albert Carlow Michael Byers as Robert Page Shereen Gray as Shonda Washington Nisha Nayar as Namita Cresswell Liam Sargeant as Jack Carlow Kasey McKellar as Bobbi Washington Natasha Sparkes as Carla Joss Porter as Rodin Raffaello Degruttola as Niccolo Leo Gregory as Warren Lennox Mark Bagnall as Thomas King Uncredited Robert Glenister voices Opening Narration