Working deep under cover, Murphy manages to gain the trust of Billy Johnstone, while trying to uncover the associations between his brother Drew and a local Asian criminal network.
| Name | Type | Role | |
|---|---|---|---|
| Allan Cubitt | Writer | ||
| Shane | Guest Star | ||
| Laine Megaw | Guest Star | ||
| Brian McCardie | Guest Star | ||
| Emil Marwa | Guest Star | ||
| John Hewitt | Guest Star | ||
| Priyanga Burford | Guest Star | ||
| Liam Cunningham | Guest Star | ||
| Rebekah Manning | Guest Star | ||
| Ivana Basic | Guest Star | ||
| Nadim Sawalha | Guest Star | ||
| Leo Wringer | Guest Star | ||
| Fidelma Murphy | Guest Star | ||
| Lalor Roddy | Guest Star | ||
| Isobel Pravda | Guest Star | ||
| Sarah Kelly | Guest Star | ||
| Francis Magee | Guest Star | ||
| Eleanor Methven | Guest Star | ||
| Kumayl Vazir | Guest Star | ||
| Patricia Martin | Guest Star | ||
| Colm McCarthy | Director |