Steffan Powell goes behind the scenes in this epic finale of the series. Our army of drama-making Whovians reveal their secret codenames, and Steffan has work experience with the costume department.
| Name | Type | Role | |
|---|---|---|---|
| Alex Pillai | Guest Star | Alex Sanjiv Pillai - Director | |
| Stephanie de Whalley | Guest Star | Steph de Whalley - Anita Benn | |
| Jodie Whittaker | Guest Star | Jodie Whittaker - The Doctor | |
| Michelle McGrath | Guest Star | Michelle McGrath - Principal Costume Standby | |
| Jemma Redgrave | Guest Star | Jemma Redgrave - Kate Lethbridge-Stewart | |
| Vicki Delow | Guest Star | Vicki Delow - Producer | |
| Ruth Madeley | Guest Star | Ruth Madeley - Shirley Bingham | |
| Sienna-Robyn Mavanga-Phipps | Guest Star | Sienna-Robyn Mavanga-Phipps - Poppy | |
| Angharad Evans | Guest Star | Angharad Evans - 2nd Assistant Sound | |
| Jonathon Aiken | Director |