| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Hamish Hamilton | Crew | Directing | Director | 2 |
 Alexander Armstrong | Cast | Actor | Self | 1 |
 Armin Shimerman | Cast | Actor | Self | 1 |
 Ben Miller | Cast | Actor | Self | 1 |
 Bill Bailey | Cast | Actor | Space Captain | 10 |
 Bruce Dickinson | Cast | Actor | Self | 1 |
 Claudia Christian | Cast | Actress | Self | 2 |
 Craig Charles | Cast | Actor | Space Captain | 10 |
 Ed Bishop | Cast | Actor | Self | 1 |
 Ed Byrne | Cast | Actor | Self | 1 |
 Elaine C. Smith | Cast | Actress | Self | 1 |
 Ford Kiernan | Cast | Actor | Self | 3 |
 Gareth Thomas | Cast | Actor | Self | 1 |
 Gloria Hunniford | Cast | Actress | Self | 1 |
 Greg Proops | Cast | Actor | High Commander | 10 |
 Hattie Hayridge | Cast | Actress | Self | 1 |
 Kevin Day | Cast | Actor | Self | 1 |
 Max Grodénchik | Cast | Actor | Self | 1 |
 Ronni Ancona | Cast | Actress | Self | 1 |
 Sophie Aldred | Cast | Actress | Self | 1 |
 Sylvester McCoy | Cast | Actor | Self | 2 |
 Terry Pratchett | Cast | Actor | Self | 1 |
 Walter Koenig | Cast | Actor | Self | 1 |
 William Shatner | Cast | Actor | Self | 2 |
Rob Grant | Cast | Actor | Self | 1 |
 Robert Llewellyn | Cast | Actor | Self | 1 |
 Kim Newman | Cast | Actor | Self | 2 |
 Fred MacAulay | Cast | Actor | Self | 2 |
 Felix Dexter | Cast | Actor | Self | 1 |
 Chloë Annett | Cast | Actress | Self | 1 |
 Sara Cox | Cast | Actress | Self | 1 |
Simon Hickson | Cast | Actor | Self | 1 |
 Trevor Neal | Cast | Actor | Self | 1 |
Tricia Sullivan | Cast | Actress | Self | 1 |
John Moloney | Cast | Actor | Self | 2 |
Susan Moore | Cast | Actress | Self | 1 |
| Person | Type | Job | Role(s) | Episodes |
