When more passengers become infected on the plane, Nikki and the Lyell team must work to uncover the truth and find a cure before it’s too late.
| Name | Type | Role | |
|---|---|---|---|
| Jim Keeble | Writer | ||
| Dudi Appleton | Writer | ||
| Jo Hartley | Guest Star | Beth Tyler | |
| Samila Kul | Guest Star | Emily | |
| Sunetra Sarker | Guest Star | Fiona Mason | |
| Joshua Leese | Guest Star | John Darby | |
| Steve Oram | Guest Star | Tony Jenkins | |
| Nikkita Chadha | Guest Star | Parveen Singh | |
| Kareem Alexander | Guest Star | Josh Darby | |
| Ella Hunter-Clark | Guest Star | Neighbour | |
| Gershwyn Eustache Jnr | Guest Star | Ade Kwame | |
| Asif Khan | Guest Star | Ramesh Patel | |
| Rehanna Bernard | Guest Star | Charity Shop Worker | |
| Paul Hilton | Guest Star | Grant Townsend | |
| Max Myers | Director |