| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Beryl Vertue | Crew | Production | Executive Producer | 28 |
Geoffrey Perkins | Crew | Production | Executive Producer | 15 |
Sophie Clarke-Jervoise | Crew | Production | Executive Producer | 13 |
 Steven Moffat | Crew | Writing | Writer, Creator | 28 |
Sue Vertue | Crew | Production | Producer | 28 |
Martin Dennis | Crew | Directing | Director | 28 |
 Adam Astill | Cast | Actor | Barman | 2 |
 Amanda Abbington | Cast | Actress | Nicola (uncredited) | 1 |
 Angus Deayton | Cast | Actor | Himself | 1 |
 Anwen Williams | Cast | Jeff's Mother | 1 | |
 Ben Homewood | Cast | Actor | Waiter | 1 |
 Ben Miles | Cast | Actor | Patrick Maitland | 28 |
 Elizabeth Marmur | Cast | Actress | Jill | 2 |
 Emilia Fox | Cast | Actress | Wilma | 2 |
 Emma Pierson | Cast | Actress | Jennifer | 1 |
Eva Marie Bryer | Cast | Actress | Pregnant Wife | 1 |
Gerard Gilroy | Cast | Roger | 1 | |
 Gina Bellman | Cast | Actress | Jane Christie | 28 |
 Gresby Nash | Cast | Actor | Mark | 1 |
 Gwenllian Davies | Cast | Actress | Aunt Muriel | 1 |
Hazel McBride | Cast | Actress | Giselle | 1 |
Ian Ralph | Cast | Actor | Boss | 1 |
Imogen Bain | Cast | Actress | Woman on Train | 1 |
 Jack Davenport | Cast | Actor | Steve Taylor | 28 |
 Jack Pierce | Cast | Actor | Junior Shop Assistant | 1 |
James Woolley | Cast | Actor | Robert | 1 |
Jeremy Peters | Cast | Actor | Undertaker | 1 |
 Kate Isitt | Cast | Actress | Sally Harper | 28 |
Lidija Zovkić | Cast | Actress | Miranda | 1 |
 Lloyd Owen | Cast | Actor | James | 3 |
Lou Gish | Cast | Julia | 5 | |
 Mariella Frostrup | Cast | Actress | Herself | 3 |
 Mark Frost | Cast | Actor | Richard | 1 |
Michael Price | Cast | Barman | 2 | |
Mike Sherman | Cast | Actor | Jeff's Colleague | 1 |
 Muriel Pavlow | Cast | Actress | Angela | 1 |
 Nicholas Briggs | Cast | Actor | Voice of the Daleks | 1 |
 Nigel Harman | Cast | Actor | Pizza Man | 1 |
Olivia Caffrey | Cast | Actress | Tamsin | 3 |
 Pandora Colin | Cast | Actress | Emma | 1 |
 Rachel Shelley | Cast | Actress | Samantha | 1 |
 Raji James | Cast | Actor | Waiter | 1 |
 Richard Coyle | Cast | Actor | Jeff Murdoch | 22 |
 Samantha Spiro | Cast | Actress | Jeffina | 1 |
 Sarah Alexander | Cast | Actress | Susan Walker | 28 |
 Saskia Mulder | Cast | Actress | Attractive Girl | 1 |
 Shaughan Seymour | Cast | Actor | Jeremy | 1 |
Simon Bateso | Cast | Michael | 1 | |
 Simon Chadwick | Cast | Liam | 1 | |
 Sophie Stanton | Cast | Actress | Midwife | 1 |
 Steve Brody | Cast | Actor | Angry Man | 1 |
 Stewart Wright | Cast | Actor | Harry | 1 |
Su Elliot | Cast | Actress | Mrs C | 1 |
Sue Kelvin | Cast | Actress | Madge | 1 |
Vaughan Sivell | Cast | Actor | Anaesthetist | 1 |
 Vilma Hollingbery | Cast | Actress | Mrs. M | 1 |
 Wanda Ventham | Cast | Actress | Edna | 1 |
 William Scott-Masson | Cast | Actor | Howard | 1 |
 Colin Michael Carmichael | Cast | Actor | Trevor | 1 |
 Cosima Shaw | Cast | Actress | Sexy Girl | 1 |
 Hannah Waddingham | Cast | Actress | Jenny Turbot | 1 |
 Jim Field Smith | Cast | Actor | Taxi Driver | 1 |
Mathew Bose | Cast | Bill | 1 | |
Nick Moorcroft | Cast | Actor | TV Presenter | 1 |
 Samuel Barnett | Cast | Actor | Sex Shop Assistant | 1 |
Suzann McLean | Cast | Jeff's Colleague | 1 | |
 Dan Renton Skinner | Cast | Actor | Husband (as Renton Skinner) | 1 |
 Katharine Page | Cast | Actress | Agatha | 1 |
 Jordan Long | Cast | Actor | Orderly | 1 |
 Alison King | Cast | Actress | Chrissie | 1 |
 Susan Earl | Cast | Actress | Lynda | 1 |
Wendy Wason | Cast | Sex Shop Assistant | 1 | |
 Richard Mylan | Cast | Actor | Oliver Morris | 6 |
 Ryan Philpott | Cast | Peter | 1 | |
Marc Bannerman | Cast | Joe (as Mark Bannerman) | 1 | |
Dana Walsh | Cast | Actress | Lady at Funeral (uncredited) | 1 |
 Ruth Lass | Cast | Alice | 1 | |
Alan Cowan | Cast | Actor | Senior Shop Assistant | 1 |
 Robin Kermode | Cast | Actor | Dr. Reynolds | 1 |
 Robert Purdy | Cast | Actor | Waiter | 1 |
Peter Heppelthwaite | Cast | Actor | Walter | 1 |
 Nigel Betts | Cast | Actor | Neighbour | 1 |
Jason Bailey | Cast | Patrick's Friend | 1 | |
Dominic Taylor | Cast | Ivan | 1 | |
 Seema Bowri | Cast | Waitress | 1 | |
Alaistair Southey | Cast | Actor | Barman | 1 |
Brian Shelley | Cast | Actor | Vicar | 1 |
Andrew T. Collins | Cast | Actor | Andrew (as Andrew Collins) | 1 |
| Person | Type | Job | Role(s) | Episodes |
