| Name | Character | Episodes |
|---|---|---|
| Caroline Lee-Johnson | Gill Templer | 6 |
| Thoren Ferguson | Malcolm Fox | 6 |
| Noof Ousellam | Darryl Christie | 6 |
| Amy Manson | Rhona Moncrieffe | 6 |
| Stuart Bowman | Ger Cafferty | 6 |
| Lucie Shorthouse | Siobhan Clarke | 6 |
| Aston McAuley | Shaun Strang | 6 |
| Michelle Duncan | Maggie Blantyre | 5 |
| Andrew John Tait | Neil MacKenzie | 5 |
| Cassidy Little | Gary 'Cammy' Campbell | 4 |
| Ryan Hayes | Alan Fowler | 3 |
| Gilly Gilchrist | Jimmy McJagger | 2 |