Hugh Bonneville DCI Brian Boyce Actor Dominic Cooper Edwyn Cooper Actor Jack Lowden Kenneth Noye Actor Emun Elliott Tony Brightwell Actor Charlotte Spencer Nicki Jennings Actor Tom Cullen John Palmer Actor Sam Spruell Charlie Miller Actor Joshua McGuire Douglas Baxter Actor Stephen Campbell Moore Tony Lundy Actor Peter Davison Commissioner Gordon Stewart Actor Amanda Drew Assistant Commissioner Cath McLean Actor James Nelson-Joyce Brian Reader Actor Karen Archer Judge Goodwin Actor Martin Bell Toby Williams Actor Tim Berrington Judge Instrell Actor Lachele Carl Judge Cook Actor Silas Carson Harry Bowman Actor Thomas Coombes Jed Nixon Actor James Doherty Nick Biddiss Actor Matthew Gravelle Owen Dailly Actor Russell Layton Magistrate Actor Fiona Marr Elaine Hunter Actor Soraya Radford Forewoman Isla Actor Tamsin Topolski Alice Harper Actor Neil Forsyth Writer, Executive Producer Charlie Leech Producer Ben Farrell Executive Producer Nick Lambon Executive Producer Patrick Harkins Director