| Cast | |||
|---|---|---|---|
| Zoë Ball Ball |  | Host |  |
| Jenna Coleman |  | Self | |
| Bernard Cribbins |  | Self | |
| Peter Davison |  | Self | |
| Matt Smith |  | Self | |
| Steven Moffat |  | Self | |
| Colin Baker |  | Self | |
| Anneke Wills |  | Self | |
| Katy Manning |  | Self | |
| Janet Fielding |  | Self | |
| Bonnie Langford |  | Self | |
| Mark Gatiss |  | Self | |
| Liza Tarbuck |  | Self | |
| Professor Brian Cox |  | Self | |
| Peter Capaldi |  | Self | |
| Rufus Hound |  | Self | |
| Daniel Roche |  | Self | |
| Professor Stephen Hawking CH CBE FRS FRSA |  | Self | |
| Shappi Khorsandi |  | Self | |
| Maisie Smith |  | Self | |
| Bruno Tonioli |  | Self | |
| Jo Whiley |  | Self | |
| Professor Robert Winston |  | Self | |
| Lorna Fitzgerald |  | Self | |
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