Guest Stars Amber Jean Rowan as Kaley Robbie Gee as DCI Pike Rebekah Wainwright as Molly Ryan Osi Okerafor as Philip Katie Clarkson-Hill as Charlotte Crockleby Michael Lindall as Finch Simone Ashley as Amanda Adam Astill as Colin Purferoy Jerry-Jane Pears as Ashley Amarjit Bassan as Evan Coker