- Alistair Petrie - Julian Fowkes QC
- Jasper Jacob - Charles Hegarty
- Michael Pennington - Judge
- John Albasiny - Park Keeper
- John Hodgkinson - Mr. Hughes
- Nigel Betts - Jonathan Crowe
- Geoffrey Leesley - Detective Calmers
- Patrick Ryecart - Gavin de Souza QC
- Richard Albrecht - Bob Forsyth
- Jessica Ransom - Helen
- James Payton - Neighbour
- Kate Dickie - Jenny
- Anton Lesser - Richard Mayfield QC
- Roy Marsden - Peter Simkins
- Stephen Wight - Danny Monk
- Gus Barry - Jamie Burton
- Monica Dolan - Eileen Morris
- Patrick Toomey - Johann
- Faton Gerbeshi - Vadim Kumarin
- Nicholas Woodeson - George Balfour QC
- Jeany Spark - Tara
- Michael Cochrane - Judge
- Victoria Carling - Chambers Director
- Garry Summers - Paramedic 1
- Ross Mitchell - Paramedic 2
- Gary Cross - Police Officer
- Ewan Stewart - Advocate Depute
- Gillian McCafferty - Clerk to Edinburgh Court
- Rod Culbertson - Scottish Judge
- Caroline Guthrie - Scottish Pathologist
- Francesco Reidy
- San Davey
- Hannah Green
- Brian Welsh
- Mark Leese
- Robert Sterne
- Tom Nash
- David Wolstencroft
- Paul Frift
- Hilary Bevan Jones
- Duncan Price
- Nicholas Hooper
Ewan Stewart hace el papel de Advocate Depute.
David Tennant hace el papel de Will Burton.
Toby Kebbell hace el papel de Liam Foyle.
Sophie Okonedo hace el papel de Maggie Gardner.
Ashley Jensen interpreta a Kate Burton en la serie.
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