
| Stephen Fry | ... | Peter Kingdom (18 episodes, 2007-2009) |
 | Karl Davies | ... | Lyle Anderson (18 episodes, 2007-2009) |
 | Celia Imrie | ... | Gloria Millington (18 episodes, 2007-2009) |
 | Tony Slattery | ... | Sidney Snell (18 episodes, 2007-2009) |
 | Hermione Norris | ... | Beatrice Kingdom (16 episodes, 2007-2009) |
 | Phyllida Law | ... | Aunt Auriel (16 episodes, 2007-2009) |
 | Thomas Fisher | ... | Ted (14 episodes, 2007-2009) |
 | Gerard Horan | ... | D.C. Yelland (14 episodes, 2007-2009) |

| Dominic Mafham | ... | Simon Kingdom (9 episodes, 2007-2008) |
 | Maryann Turner | ... | Mrs. Thing (7 episodes, 2007-2008) |
 | John Thomson | ... | Nigel Pearson (6 episodes, 2008-2009) |
 | Angus Imrie | ... | Scott Millington (6 episodes, 2007-2009) |
 | Kate O'Flynn | ... | Emily Cartwright (5 episodes, 2009) |
 | Kelly Campbell | ... | Honor O'Sullivan (4 episodes, 2007-2008) |

| Martin Ballantyne | ... | Jason / ... (4 episodes, 2007-2009) |
 | Elizabeth Goram-Smith | ... | Cambridge student in library / ... (4 episodes, 2008-2009) |
 | Paul Kaye | ... | Alan McEwan (3 episodes, 2007-2009) |

| Stephen Marcus | ... | Hill (3 episodes, 2007) |
 | Richard Wilson | ... | Professor Barkway (2 episodes, 2007-2008) |
 | Jack Dee | ... | Judge Jeremy Harding (2 episodes, 2009) |
 | Diane Fletcher | ... | Cynthia (2 episodes, 2008) |
 | Colin Farrell | ... | Mr. Waller (2 episodes, 2007) |
 | Ann Penfold | ... | Mrs. Waller (2 episodes, 2007) |
 | Pippa Haywood | ... | Mrs. Anderson (2 episodes, 2009) |
 | Graham Howes | ... | Council Executive / ... (2 episodes, 2007-2008) |

| Tim Bentinck | ... | Judge Harrison (2 episodes, 2009) |
 | Aimee Skipper | ... | Petra Kingdom (2 episodes, 2009) |
 | Katie Skipper | ... | Petra Kingdom (2 episodes, 2009) |
|
| Ella Woolner | .... | art department assistant / graphic designer (12 episodes, 2007-2008) |
| Kevin Day | .... | stand-by props / stand-by prop (9 episodes, 2007-2008) |
| Kimberley Fahey | .... | prop buyer / production buyer (8 episodes, 2007-2009) |
| Fionn Rawnsley | .... | scenic artist (8 episodes, 2007-2009) |
| Dempsey Cook | .... | dressing props (6 episodes, 2007) |
| Tara Fernando | .... | art stand-by (6 episodes, 2007) |
| Paul House | .... | art stand-by (6 episodes, 2007) |
| Esther Jenkins | .... | assistant prop buyer (6 episodes, 2007) |
| Ian Newton | .... | dressing props (6 episodes, 2007) |
| John Warden | .... | art stand-by (6 episodes, 2007) |
| Keith Warwick | .... | stand-by props (6 episodes, 2007) |
| Gary Watson | .... | prop master (6 episodes, 2007) |
| Caroline Harper | .... | stand-by art director (6 episodes, 2009) |
| Darren Tubby | .... | assistant buyer (4 episodes, 2007) |
| Dorothy Sullivan | .... | graphic art director / assistant buyer (3 episodes, 2007-2009) |
| Matt Wyles | .... | set dresser (3 episodes, 2007) |
| Stuart Read | .... | stand-by props (3 episodes, 2008) |
| Helen Jones | .... | art department assistant (2 episodes, 2009) |
| Rosaline Sullivan | .... | art department assistant (2 episodes, 2009) |
| |
|
| Dean Humphreys | .... | sound supervisor / supervising sound editor (17 episodes, 2007-2009) |
| Clare Manning | .... | sound editor / dubbing mixer (14 episodes, 2007-2009) |
| Grahame Peters | .... | sound editor (12 episodes, 2007-2008) |
| Andy Walker | .... | dubbing mixer / sound editor (12 episodes, 2007-2008) |
| Ben Collinson | .... | sound assistant / sound assist (9 episodes, 2008-2009) |
| Tim Fraser | .... | sound mixer (9 episodes, 2008-2009) |
| Tony Dawe | .... | sound mixer (7 episodes, 2007-2008) |
| Gary Keller | .... | sound assistant (7 episodes, 2007-2008) |
| Ian Savage | .... | sound maintenance (6 episodes, 2007) |
| Zane Hayward | .... | sound editor (6 episodes, 2009) |
| Mike Savage | .... | sound mixer (4 episodes, 2007) |
| Kelly Stewart | .... | boom operator (3 episodes, 2008) |
| Denise Yarde | .... | boom operator (3 episodes, 2008) |
| Ross Adams | .... | sound editor (3 episodes, 2009) |
| Angel Perez Grandi | .... | sound editor (3 episodes, 2009) |
| James Kittlety | .... | sound trainee (2 episodes, 2007) |
| William Towers | .... | boom operator (2 episodes, 2009) |
| |
|
| John Corbett | .... | electrician / genny operator (8 episodes, 2007-2009) |
| Russell Diamond | .... | grip (8 episodes, 2007-2009) |
| David Ashby | .... | grip (8 episodes, 2007-2008) |
| Dave Gray | .... | rigger (7 episodes, 2007-2009) |
| Miles Ardizzone | .... | camera trainee (6 episodes, 2007) |
| David Attoe | .... | gaffer (6 episodes, 2007) |
| Paul Benson | .... | best boy (6 episodes, 2007) |
| Colin Bradfield | .... | electrician (6 episodes, 2007) |
| Mickey Bunting | .... | electrician (6 episodes, 2007) |
| David Hedges | .... | focus puller (6 episodes, 2007) |
| David Lee | .... | second assistant camera (6 episodes, 2007) |
| Brandon Evans | .... | gaffer (6 episodes, 2008) |
| Paul Hanning | .... | additional focus puller: "b" camera (6 episodes, 2008) |
| Richard Miles | .... | electrician (6 episodes, 2008) |
| John Bailie | .... | first assistant camera (2 episodes, 2009) |
| Martin Conway | .... | electrician (2 episodes, 2009) |
| Catherine Cornes | .... | second assistant camera (2 episodes, 2009) |
| Terry Eden | .... | best boy (2 episodes, 2009) |
| Alex Jason | .... | camera assistant (2 episodes, 2009) |
| Brian Jones | .... | gaffer (2 episodes, 2009) |
| |
|
| Emma Lightfoot | .... | assistant script editor / script editor (8 episodes, 2007-2009) |
| Henry Woolley | .... | location manager (8 episodes, 2008-2009) |
| Christine Wilson | .... | script supervisor (7 episodes, 2007-2009) |
| Sarah Lucraft | .... | production accountant (7 episodes, 2008-2009) |
| Helen Revington | .... | unit nurse (7 episodes, 2008-2009) |
| Beryl Brown | .... | assistant accountant (6 episodes, 2007) |
| Lucy Burton | .... | production assistant (6 episodes, 2007) |
| Karen McSwiney | .... | production accountant (6 episodes, 2007) |
| Amy Retallack | .... | production secretary (6 episodes, 2007) |
| Dena Vincent | .... | production coordinator (6 episodes, 2007) |
| Suzanne Love | .... | production runner (6 episodes, 2008) |
| Ciaran Moran | .... | assistant accountant (6 episodes, 2008) |
| Charlotte Wilkinson | .... | production secretary (6 episodes, 2008) |
| Fiona Elrington | .... | location manager (4 episodes, 2007) |
| Paul Desira | .... | location assistant (3 episodes, 2008) |
| Donald Cameron | .... | location manager (2 episodes, 2007) |
| Danny Brown | .... | facilities captain (2 episodes, 2009) |
| George Buchanan | .... | stand-in (2 episodes, 2009) |
| Amy Irvine | .... | stand-in (2 episodes, 2009) |
| Max Murphy | .... | floor runner (2 episodes, 2009) |
| Alex Took | .... | runner (2 episodes, 2009) |
| |