Jam-packed with fun, we have a clifftop location hunt, Ncuti discovers something new on the TARDIS, and we meet the all-action stunt performers.
| Name | Type | Role | |
|---|---|---|---|
| Lenny Rush | Guest Star | ||
| Scott Handcock | Guest Star | ||
| Nicola Coughlan | Guest Star | ||
| Max Schofield | Guest Star | ||
| Charlie Bluett | Guest Star | ||
| Phil Collinson | Guest Star | ||
| Steven Moffat | Guest Star | ||
| Amol Rajan | Guest Star | ||
| Kitty Carin-Boyd | Guest Star | ||
| Julie Anne Robinson | Guest Star | ||
| Iwan Roberts | Guest Star | ||
| Jackie Saundercock | Guest Star | ||
| Paul Joseph | Guest Star | ||
| Shuaib Said | Guest Star | ||
| Juliet Ireland | Guest Star | ||
| Jessica Barfoot | Guest Star | ||
| Jonathon Aiken | Director |