Adrian Scarborough Detective Inspector Max Arnold Actor Peter Bankole DC Connor Pollock Actor Frances Barber Olivia Arnold Actor Killian Coyle Carl Wilsher Actor Vanessa Emme DS Layla Walsh Actor Eoin Geoghegan Trent Wilsher Actor Alexandra Gilbreath Roz Chambers Actor Richard Goulding Andrew Davenstock Actor Sam Hoare Rory, Henry Davenstock Actor Simon Manyonda Freddie Rollanson Actor Lucy Phelps DC Jess Lombard Actor Diana Quick Allegra Davenstock Actor Emma Rigby Abby Wilsher Actor Richard Signy Director Peter Fincham Executive Producer, Writer Ella Kelly Executive Producer Bea Tammer Executive Producer Ian Arber Original Music