Guest Stars Michael N. Harbour as Trevor Wilson Sarah Coomes as Nicola Sue Broomfield as Diane Phaldut Sharma as Rashid Ali Emily Woof as WDC Dawn Morris Catherine Clarke as Chloe Myers Shirley Stelfox as Vivienne Harding Lee Walker as DI Ray Scott Ade Sapara as Ruben Valerie Holliman as Sue Sherwin Campbell Morrison as DC Pete Sherwin Keylee Jade Flanders as Charlotte Sherwin Ben Lemel as Gary Powell Debbie Paul as Branch chair Dina Jacobsen as WPC Linda Phillips Georgina Ackerman as Marin Janet Spencer-Turner as Kay Taylor Surendra Kochar as Hamida Banu Ali Mary Conlon as Alex Weir