Guest Stars Scott Reid as DC Mick Clark Andrew Frame as DI Ron Cook Sean Gilder as CS George Harris Grace Calder as Heather Amos Millie Brady as Sally Jones Richard Goulding as David Boutflour Oliver Dimsdale as Peter Eaton Dorian Lough as DI Cresswell Tom Christian as Marcus McBride Amy Jayne as Abigail Amy McCallum as Tracey Brown Amanda Lawrence as Barbara Wilson Charlotte Bate as Lab Assistant George Whitehead as DI Bob Miller
