Sam, Leo and Harry are at odds with the police investigators when a covert operation is exposed. But has Sam overstepped the mark this time?
| Name | Type | Role | |
|---|---|---|---|
| Tony McHale | Writer | ||
| Phillip Langhorne | Guest Star | Mick Stevens | |
| Peter-Hugo Daly | Guest Star | John Brent | |
| Jimmy Roussounis | Guest Star | Mehmet Zequiri | |
| Shaun Dooley | Guest Star | Paul Preston | |
| Simon Sherlock | Guest Star | Richard Barrett | |
| Lia Williams | Guest Star | DCI Carol Deacon | |
| Lynn Farleigh | Guest Star | Ann Cunningham | |
| Layla Gillespie | Guest Star | Tara Stone | |
| Ivana Basic | Guest Star | Nikolla's Friend | |
| Julianne White | Guest Star | Karen Connors | |
| Chris Donnelly | Guest Star | DC Martin Wakely | |
| Christopher Fulford | Guest Star | Nick Connors | |
| Celia Meiras | Guest Star | Nikolla Shala | |
| Barnaby Kay | Guest Star | DS Clive Johnson | |
| Faruk Pruti | Guest Star | Mehmet's Friend | |
| Paterson Joseph | Guest Star | Sergeant Terry Harding | |
| Charlotte Hudson | Guest Star | News Reporter | |
| Luing Andrews | Guest Star | Ash Williams | |
| Coky Giedroyc | Director |