Scott Arthur
Young DC Paul Bethel (4 eps)
Sion Alun Davies
Young Phil 'Bach' Rees (4 eps)
Keith Allen
Dai Williams (4 eps)
Gareth John Bale
DC Geraint Bale (4 eps)
Aneurin Barnard
Joseph Kappen (4 eps)
Kriss Dosanjh
Young Rowan Anwar (4 eps)
Philip Glenister
DCI Paul Bethell (4 eps)
Richard Corgan
DS Chris Wynne (4 eps)
Steffan Rhodri
Phil 'Bach' Rees (4 eps)
Oliver Ryan
DCS Ray Allen (4 eps)
Steve Nicolson
DI Tony Warren (4 eps)
Nia Roberts
Karina Bethell (4 eps)
Richard Harrington
Colin Dark (4 eps)
Karen Paullada
DSU Jackie Roberts (4 eps)
Natasha Vasandani
Young Sita Anwar (4 eps)
Matthew Aubrey
Phil Blunt (4 eps)
Priyanga Burford
Sita Anwar (4 eps)
Richard Elfyn
DS Vic Jenkins (4 eps)
Walter van Dyk
Mr. Croiset (4 eps)
Calista Davies
Geraldine Hughes (4 eps)
Elinor Crawley
Young Karina Bethell (4 eps)
Jade Croot
Pauline Floyd (4 eps)
Dyfan Dwyfor
DS Vic Jenkins (4 eps)
Gruffudd Glyn
Young Denver Hughes (4 eps)
Amy Morgan
Young Jean Hughes (4 eps)
Rhys Rusbatch
Young Dai Williams (4 eps)