The Doctor makes a final stand against an army of Cybermen to protect a tiny band of humans from destruction.
| Name | Type | Role | |
|---|---|---|---|
| Steven Moffat | Writer | ||
| Stephanie Hyam | Guest Star | Heather | |
| Samantha Spiro | Guest Star | Hazran | |
| Nicholas Briggs | Guest Star | Cybermen | |
| Briana Shann | Guest Star | Alit | |
| David Bradley | Guest Star | The Doctor | |
| Rosie Boore | Guest Star | Gazron | |
| Simon Coombs | Guest Star | Rexhill | |
| Rachel Talalay | Director |