Murphy ends up being exposed and caught up in a vicious and final showdown between brothers Drew and Billy Johnstone.
| Name | Type | Role | |
|---|---|---|---|
| Allan Cubitt | Writer | ||
| Chris Sandfo | Guest Star | ||
| Ivana Basic | Guest Star | ||
| Ernest Ignatius | Guest Star | ||
| Patricia Martin | Guest Star | ||
| Adipat Virdi | Guest Star | ||
| Harvey Virdi | Guest Star | ||
| Packy Lee | Guest Star | ||
| Joanne Crawford | Guest Star | ||
| Rebekah Manning | Guest Star | ||
| Kriss Dosanjh | Guest Star | ||
| Kumayl Vazir | Guest Star | ||
| Nadim Sawalha | Guest Star | ||
| Emil Marwa | Guest Star | ||
| Laura Jane Laughlin | Guest Star | ||
| Priyanga Burford | Guest Star | ||
| John Hewitt | Guest Star | ||
| Isobel Pravda | Guest Star | ||
| Liam Cunningham | Guest Star | ||
| Colm McCarthy | Director |