- Mark Gatiss
- Â Various 22 episodes, 1999-2017
- Steve Pemberton
- Â Barbara Dixon / ... 22 episodes, 1999-2017
- Reece Shearsmith
- Â Edward Tattsyrup / ... 22 episodes, 1999-2017
- Jeremy Dyson
- Â Various Characters / ... 11 episodes, 1999-2002
- Paul Hays-Marshall
- Â Barbara Dixon 9 episodes, 1999-2000
- Sian Gibson
- Â Tricia / ... 5 episodes, 2000-2017
- Frances Cox
- Â Annie Raines / ... 5 episodes, 1999-2000
- Megan De Wolf
- Â Chloe Denton 5 episodes, 1999-2000
- Rosy De Wolf
- Â Radclyffe Denton 5 episodes, 1999-2000
- Helen Lambert
- Â Eunice Evans 5 episodes, 2000-2002
- Johnny Leeze
- Â Inspector Cox 5 episodes, 2000
- Judith Vause
- Â Delivery Lady / ... 4 episodes, 1999-2002
- Lyndsey Marshal
- Â Ellie 3 episodes, 2017
- Francesca Knight
-  Chloë 3 episodes, 2017
- Lily Knight
- Â Radclyffe 3 episodes, 2017
- John De Main
- Â Luigi / ... 3 episodes, 1999-2017
- Kris Mochrie
- Â Scott 1 episode, 2017
- Rusty Goffe
- Â Simba 3 episodes, 2000-2002
- Jon Key
- Â Tik-Tik 3 episodes, 2000-2002
- Martina McClements
- Â Roberta Smart 3 episodes, 2000-2002
- Gerald Staddon
- Â Pebble / ... 3 episodes, 2000-2002
- Chris Freeney
- Â Gary 3 episodes, 2000-2002
- Michael Gallagher
- Â Barbara Dixon 3 episodes, 2002
- Sammy Oliver
- Â Jennifer 2 episodes, 2017
- Claire Cornmell
- Â Maisie / ... 2 episodes, 2017
- Duncan Watkinson
- Â News Reporter 2 episodes, 2017
- Shaun Mason
- Â Workman 1 episode, 2017
- Patsy Maguire-Crawford
- Â Nurse Rich 2 episodes, 1999-2002
- Ian Ralph
- Â Policeman / ... 2 episodes, 1999-2000
- Les Doherty
- Â Leader of the Mob / ... 2 episodes, 1999-2000
- Amanda Lockett
- Â Turtle Pram Lady / ... 2 episodes, 1999-2000
- Don Estelle
- Â Little Don 2 episodes, 1999
- John Flitcroft
- Â Foreman 2 episodes, 1999
- Mike Flanagan
- Â Maynard / ... 2 episodes, 1999
- Edward McCracken
- Â Colin 2 episodes, 1999
- Hope Johnstone
- Â Charity Tin Woman / ... 2 episodes, 2000-2002
- Christine Furness
- Â Sunny Steele 2 episodes, 2000-2002
- Jennifer Lin
- Â Lynne 2 episodes, 2000-2002
- Blake Ritson
- Â Justin Smart 2 episodes, 2000
- Roy 'Chubby' Brown
- Â Mayor Larry Vaughan 2 episodes, 2000
- Ian Tully
- Â Creme Brulee Bass Player / ... 2 episodes, 2000
- Alison Lloyd
- Â Hiker 2 episodes, 2000
- Laurel Gibb
- Â Ice Cream Man's Wife 2 episodes, 2000
- Olive Pendleton
- Â Nana Brambles 2 episodes, 2002
- Jeanie Gold
- Â Prison Inmate 2 episodes, 2002
- Barbara Kirby
- Â Paramedic 2 episodes, 2002
- Christina Tam
- Â Carol 1 episode, 2017
- Michael Hagen
- Â Hotel Guest 1 episode, 2000
- Tina Daheley
- Â TV Anchor 1 episode, 2017
- Gemma Paige North
- Â Receptionist 1 episode, 2017
- Isla Neild
- Â Daisy 1 episode, 2017
- Matthew Paris
- Â Commentator 1 episode, 2017
- Jackie Knowles
- Â Mum 1 episode, 2017
- David Morrissey
- Â Gareth Chapman 1 episode, 2017
- Charlie Concannon
- Â Billy 1 episode, 2017
- Adam Pemberton
- Â Swot 1 episode, 2017
- Surejya McKenzie
- Â Jamilla 1 episode, 2017
- Andrew Readman
- Â Dr. Fisher 1 episode, 2017
- Sam Couriel
- Â Carl 1 episode, 2017
- Simon Smithies
- Â Orderly 1 episode, 2017
- Ruby Longshaw
- Â Little Girl 1 episode, 2017
- Emma Bispham
- Â News Producer 1 episode, 2017
- Hylton Collins
- Â Mr. Webster 1 episode, 2017
- Vesna Stanojevic
- Â Herzoslovakian Woman 1 episode, 2017
- Ellis Todd
- Â Eddie 1 episode, 2017
- Zeb Soanes
- Â Radio 4 announcer 1 episode, 2017
- Ameet Chana
- Â Shack 1 episode, 1999
- Colin Parry
- Â Thom McQueen 1 episode, 1999
- Glenn Cunningham
- Â Blind Man 1 episode, 1999
- Stephen Chapman
- Â Mr. Kidd 1 episode, 1999
- Keith Ladd
- Â Policeman #1 1 episode, 1999
- Ross McCormack
- Â Stevens 1 episode, 1999
- Curtis Watt
- Â Simon 1 episode, 1999
- Myles Hindley
- Â Little Boy 1 episode, 1999
- Richard Gardiner
- Â John the Construction Worker 1 episode, 1999
- Thomas Sherlock
- Â Postbox Boy 1 episode, 1999
- Ruth Harrop
- Â Natalie 1 episode, 1999
- Freddie Jones
- Â Dr. Magnus Purblind 1 episode, 2000
- Liza Tarbuck
- Â Donna 1 episode, 2000
- John Lebar
- Â Irish Giant 1 episode, 2000
- David Arnold
- Â Victorian Gentleman with Fox 1 episode, 2000
- Jennifer Lim
- Â Lynne 1 episode, 2000
- Joby Talbot
- Â Victorian Gentleman with sheep 1 episode, 2000
- Ted Robbins
- Â Tony Cluedo 1 episode, 2000
- Paul Popplewell
- Â Collier 1 episode, 2000
- Andrew Melville
- Â Old Matthew Parker 1 episode, 2000
- John Draycott
- Â Ice Cream Man 1 episode, 2000
- Jeillo Edwards
- Â Yvonne 1 episode, 2000
- Bay White
- Â Mrs. Huxtable 1 episode, 2000
- Alan Faulkner
- Â Dr. Mekos 1 episode, 2000
- Brett Wilson
- Â Toad Transit Guy 1 episode, 2000
- Ian Griffiths
- Â Mr. Bingle Bangle 1 episode, 2000
- Martin Crocker
- Â Paramedic 1 episode, 2000
- Edward Wiseman
- Â Young Homeless 1 episode, 2000
- Niall Ross Hogan
- Â John 1 episode, 2000
- Alison Passey
- Â Bearded Lady 1 episode, 2000
- Liam Winston
- Â Ice Cream Boy 1 episode, 2000
- Scott Langridge
- Â Patsy Towers 1 episode, 2000
- John R. Thompson
- Â Butler 1 episode, 2000
- Amanda Hooley
- Â Nibble Box Woman 1 episode, 2000
- Christopher Eccleston
- Â Dougal Siepp 1 episode, 2002
- Andy Nyman
- Â Carl 1 episode, 2002
- Neil Bell
- Â Mandy 1 episode, 2002
- Gary Damer
- Â Tris 1 episode, 2002
- Nicholas Briggs
- Â Garden Centre Worker 1 episode, 2002
- Gordon Cooper
- Â London Driver 1 episode, 2002
- Laurence Llewelyn-Bowen
- Â Laurence Llewellyn-Bowen 1 episode, 2002
- Brooke Vincent
- Â Casey Glass 1 episode, 2002
- Anne Orwin
- Â Hat Pins Sexplorer 1 episode, 2002
- Nicky Goldie
- Â Mrs. Airey 1 episode, 2002
- Rosy Clayton
- Â Fat Laura 1 episode, 2002
- Terry Bird
- Â Beefy Man 1 episode, 2002
- Steven Hillman
- Â Repton 1 episode, 2002
- Sylvie Gatrill
- Â Queenie 1 episode, 2002
- Roger Bingham
- Â Hot Wax Sexplorer 1 episode, 2002
- Paul Oldham
- Â Bongo 1 episode, 2002
- Olga Grahame
- Â Minn 1 episode, 2002
- Belinda Everett
- Â Alana 1 episode, 2002
- Sally Womersley
- Â Woman Sexplorer 1 episode, 2002
- Wim Oppenheimer
- Â The Lady Arm 1 episode, 2002
- Gordon Langford Rowe
- Â Pat 1 episode, 2002
- Cal Freestone
- Â Polly 1 episode, 2002
- Ilario Bisi-Pedro
- Â Receptionist 1 episode, 2002
- Roz McCutcheon
- Â Lady Massage Client 1 episode, 2002
- John Jardine
- Â Mr. Heap 1 episode, 2002
- Jason Hall
- Â Jezza 1 episode, 2002
- Alan Gear
- Â Tank 1 episode, 2002
- Olivia Jardith
- Â Mrs. Halliwell 1 episode, 2002
- Sally Armstrong
- Â Cake Shop Lady 1 episode, 2002
- Kate Deakin
- Â Sandra 1 episode, 2002
- Helen Johnson
- Â Katie Morgan 1 episode, 2002
- Kevin Brannagan
- Â 'Flaps in Your Lap' Bouncer 1 episode, 2002
- Andrew Grose
- Â Miggy 1 episode, 2002
- Ned Irish
- Â Ned's Grandad 1 episode, 2002
- Donna Marie Dawson
- Â Kerry 1 episode, 2002
- Simon Vigar
- Â TV Reporter 1 episode, 2002
- Diana Flacks
- Â Registrar 1 episode, 2002
- Alan Strangeway
- Â Seedy Sexplorer 1 episode, 2002
- Pat Ward
- Â Dog Lady 1 episode, 2002
- Bhudep Banarjee
- Â Indian Sexplorer 1 episode, 2002
- Coz Greenop
- Â Le Terrible Enfant Oiseau (bird boy) unknown episodes
- Mark Anthony Dawson
- Â Town Resident (uncredited) 3 episodes, 2017
- Nick Owenford
- Â Local (uncredited) 2 episodes, 2017
- Tina King
- Â Barbara Dixon (uncredited) 2 episodes, 2017
- Ade Dimberline
- Â Burly Man (uncredited) 1 episode, 2017
- Daniel Eghan
- Â Policeman (uncredited) 1 episode, 2017
- David Vickers
- Â Food Bank Businessman (uncredited) 1 episode, 2017
- Colin Murtagh
- Â Policeman (uncredited) 1 episode, 2017
- James Artaius
- Â Papa Lazarou's wife (uncredited) 1 episode, 2017
- Darren Whitfield
- Â Workman (uncredited) 1 episode, 2017
- Parrgash Kaur
- Â Press Reporter (uncredited) 1 episode, 2017
- Andrew Abbott
- Â Restaurant Diner (uncredited) 1 episode, 2017
- Billy Mansell
- Â Builder (uncredited) 1 episode, 2017
- Neilesh Ambu
- Â Vetinary Practice Passerby (uncredited) 1 episode, 2017
- Saara Nawaz
- Â Restaurant Diner (uncredited) 1 episode, 2017
- Jess Kaur
- Â Protester (uncredited) 1 episode, 2017
- Jane Hamer
- Â Filthy Woman (uncredited) 1 episode, 2017
- Ian Copley-Johnson
- Â Sound Boom Man (uncredited) 1 episode, 2017
- Paul Edward Davies
- Â Tramp Clamp (uncredited) 1 episode, 2017
- Terence O'Neill
- Â Builder (uncredited) 1 episode, 2017