- Sam Heughan - Peter Carr
- Robert Paterson - DS Bill Pryde
- Karen Gillan - Terry Cotter
- Andrew Neil - Ken Flatley
- Nick Smith - Policeman
- Fish - Barry Judd
- Tommy Flanagan - Thomas Telford
- Scott Cleverdon - 'Pretty Boy' Summers
- James Cosmo - Morris Cafferty
- James Cosmo - Morris Gerald Cafferty
- Michelle Fairley - Janice Mee
- Mark Bonnar - DI Jim Margolies
- Michael Nardone - DI Martin Kilpatrick
- Michelle Gomez - Caro Rattray
- Ewan Stewart - DI Morton
- Ewan Stewart - Michael Walker
- Ewan Stewart - DI Jack Morton
- Ashley Jensen - Mhairi Henderson
- Natalie Dormer - Phillippa Balfour
- Sharon Small - Miranda Masterson
- Emilio Doorgasingh - Muzaffer Yurgi
- Cora Bissett - Trudy Laing
- Robert Cavanah - DI Dalcastle
- David Robb - Daniel Raeburn
- Lynsey Baxter - Belinda
- Stuart McQuarrie - Martin Cowan
- Ciaron Kelly - James Bell
- Gary Lewis - Gregor Jack
- Joanne Froggatt - Gail Maitland
- Pip Torrens - Andrew Hammill
- Ron Donachie - Jack Gunner
- Ron Donachie - DCS Wilson
- Ron Donachie - DC Jack Gunner
- Alan Tall - Sammy McNally
- Anna Chancellor - Amanda Morrison
- Roy Marsden - Sir Vivian Kirkwood
- Stella Gonet - Cynthia Marber
- Bryan Larkin - Charlie Guthrie
- Jamie Michie - Danny Kerr
- John Stahl - Rev Andrew McLeod
- Michael Carter - Rev John Carson
- Lorcan Cranitch - Thomas Steele
- Hannah Donaldson - Jean Monroe
- Jimmy Yuill - Mickey
- Nicholas Jones - Commander Steelforth
- Julie Graham - Stacy Webster
- Therese Bradley - Margaret Robertson
- Lindy Whiteford - Barbara Carr
- Nicholas Farrell - Davis Haigh
- Brian McCardie - Brian Robertson
- David Moore
- Roger Gartland
- Martyn Friend
- Morag Fullarton
- Maurice Phillips
- Matthew Evans
- David Kane
- Daniel Boyle
- Colin Bateman
Sara Stewart interpreta a DCI Gill Templer en la serie.
James Cosmo interpreta a Morris Gerald Cafferty en la serie.
Alan Tall hace el papel de Sammy McNally.
Tommy Flanagan interpreta a Thomas Telford en la serie.
Stuart McQuarrie interpreta a Martin Cowan en la serie.
Sharon Small interpreta a Miranda Masterson en la serie.
Gary Lewis interpreta a Gregor Jack en la serie.
Therese Bradley interpreta a Margaret Robertson en la serie.
Ewan Stewart interpreta a Michael Walker en la serie.
Ken Stott interpreta a Inspector John Rebus en la serie.
Capítulo disponible en las siguientes plataformas:
