| Name | Character | Episodes |
|---|---|---|
| James Allenby-Kirk | Act. Sgt. Ken Beattie | 32 |
| Julie Wilson Nimmo | DC Megan Squire | 22 |
| Andrew John Tait | Sgt. Napier Carmichael | 5 |
| John Gordon Sinclair | Harry Cope | 2 |
| Maureen Carr | Cilla | 1 |
| Lorraine McIntosh | Barbara Edwards | 1 |
| Bill Paterson | Sir Neville Archibald | 1 |
| Richard Gadd | Tybalt Camberlain | 1 |
| Lorraine Kelly | Self | 1 |
| David Ireland | Wee Turkey | 1 |
| Dom Watters | Connor Hollis | 1 |
| Vicki Liddelle | Katherine Hills | 1 |
| Paul McCole | Logan Simpson | 1 |
| Michael Moreland | Mr Christmas | 1 |