| Name | Character | Episodes |
|---|---|---|
| Jennifer Black | DCS Gill Templer | 10 |
| Ken Stott | Inspector John Rebus | 10 |
| Claire Price | DS Siobhan Clarke | 10 |
| John Hannah | Rebus | 4 |
| Sara Stewart | DCI Gill Templer | 4 |
| Michelle Fairley | Janice Mee | 2 |
| Ron Donachie | Jack Gunner | 2 |
| Natalie Dormer | Phillippa Balfour | 1 |
| Pip Torrens | Andrew Hammill | 1 |
| Sam Heughan | Peter Carr | 1 |
| Karen Gillan | Terry Cotter | 1 |
| Tommy Flanagan | Thomas Telford | 1 |
| James Cosmo | Morris Gerald Cafferty | 1 |
| James Cosmo | Morris Cafferty | 1 |
| Nicholas Farrell | Davis Haigh | 1 |
| Michael Carter | Rev John Carson | 1 |
| Nicholas Jones | Commander Steelforth | 1 |
| Sharon Small | Miranda Masterson | 1 |
| Julie Graham | Stacy Webster | 1 |
| Anna Chancellor | Amanda Morrison | 1 |
| Joanne Froggatt | Gail Maitland | 1 |
| Gary Lewis | Gregor Jack | 1 |
| Ron Donachie | DCS Wilson | 1 |
| Ron Donachie | DC Jack Gunner | 1 |
| Mark Bonnar | DI Jim Margolies | 1 |
| Ashley Jensen | Mhairi Henderson | 1 |
| Lindy Whiteford | Barbara Carr | 1 |
| Lynsey Baxter | Belinda | 1 |
| Therese Bradley | Margaret Robertson | 1 |
| Michelle Gomez | Caro Rattray | 1 |
| Ewan Stewart | DI Morton | 1 |
| Ewan Stewart | DI Jack Morton | 1 |
| Ewan Stewart | Michael Walker | 1 |
| Jamie Michie | Danny Kerr | 1 |
| David Robb | Daniel Raeburn | 1 |
| Robert Cavanah | DI Dalcastle | 1 |
| Stella Gonet | Cynthia Marber | 1 |
| Bryan Larkin | Charlie Guthrie | 1 |
| Stuart McQuarrie | Martin Cowan | 1 |
| Roy Marsden | Sir Vivian Kirkwood | 1 |
| Lorcan Cranitch | Thomas Steele | 1 |
| Jimmy Yuill | Mickey | 1 |
| Scott Cleverdon | 'Pretty Boy' Summers | 1 |
| Michael Nardone | DI Martin Kilpatrick | 1 |
| Andrew Neil | Ken Flatley | 1 |
| Brian McCardie | Brian Robertson | 1 |
| Emilio Doorgasingh | Muzaffer Yurgi | 1 |