- Dylan Moran
- Â Bernard Black 18 episodes, 2000-2004
- Bill Bailey
- Â Manny 18 episodes, 2000-2004
- Tamsin Greig
- Â Fran 18 episodes, 2000-2004
- Paul Beech
- Â Abbott / ... 2 episodes, 2000
- Daisy Campbell
- Â Julie 2 episodes, 2000
- Ben Homewood
- Â Fourth Customer / ... 2 episodes, 2000
- Nick Frost
- Â Paul / ... 1 episode, 2000-2004
- Tony Way
- Â Boy / ... 1 episode, 2000
- Omid Djalili
- Â Trebor 1 episode, 2000
- Mark Aiken
- Â Ben 1 episode, 2000
- John Arthur
- Â First Customer 1 episode, 2000
- Terry Bird
- Â Noggsy 1 episode, 2000
- Tony Bluto
- Â Nick Voleur 1 episode, 2000
- Jessica Hynes
- Â Eva 1 episode, 2002
- Rose Keegan
- Â Room 2B Occupant 1 episode, 2002
- Nina Conti
- Â Kate 1 episode, 2002
- Mick Walter
- Â Gus 1 episode, 2002
- Howard Coggins
- Â Heathrow Bartender 1 episode, 2002
- Andrew T. Collins
- Â Customer #1 1 episode, 2002
- Simon Pegg
- Â Evan 1 episode, 2004
- Lucy Davis
- Â Becky 1 episode, 2004
- Julian Rhind-Tutt
- Â Jason Hamilton 1 episode, 2004
- Keith Allen
- Â Dave 'Mouse Ear' Smith 1 episode, 2004
- Annette Crosbie
- Â Moo-Ma 1 episode, 2004
- Elizabeth Chadwick
- Â Rowena 1 episode, 2004
- Angela Curran
- Â The Policewoman 1 episode, 2000
- Sophie Stanton
- Â Policewoman 1 episode, 2000
- David Cann
- Â Eddie 1 episode, 2000
- Stephen Boswell
- Â Priest 1 episode, 2000
- Steve Bowditch
- Â Clerk 1 episode, 2000
- Rob Brydon
- Â B. Nugent 1 episode, 2002
- Johnny Vegas
- Â Landlord 1 episode, 2002
- Miltos Yerolemou
- Â Schubert Customer 1 episode, 2002
- Richard Katz
- Â First Customer 1 episode, 2002
- Mark Donovan
- Â Gregor 1 episode, 2002
- David McKail
- Â Josef Slvanski 1 episode, 2002
- Craig Parkinson
- Â Martin the Tout 1 episode, 2004
- Sam Kelly
- Â Moo-Pa 1 episode, 2004
- Pandora Colin
- Â Claire 1 episode, 2004
- Judith Jacob
- Â Customer 1 episode, 2004
- Ryan Luhning
- Â Roland the Exterminator 1 episode, 2004
- David Walliams
- Â Customer 1 episode, 2000
- Evie Garratt
- Â Old Woman 1 episode, 2000
- Ricky Grover
- Â Danny Spudge 1 episode, 2002
- Adam Astill
- Â Construction Worker 1 episode, 2002
- Nigel Harrison
- Â Customer #2 1 episode, 2002
- Jean Ainslie
- Â Charity Collector 1 episode, 2002
- Paul Kemp
- Â Waiter 1 episode, 2002
- Olivia Colman
- Â Tanya 1 episode, 2004
- Alice Lowe
- Â Solicitor 1 episode, 2004
- Jiggy Bhore
- Â Light Holiday Customer 1 episode, 2004
- Peter Serafinowicz
- Â Howell Granger 1 episode, 2000
- Kevin Eldon
- Â Cleaner 1 episode, 2000
- Dominic Carter
- Â First hooligan 1 episode, 2000
- Rhys Thomas
- Â Student 1 episode, 2000
- Liam Hess
- Â Jimbo 1 episode, 2000
- Luing Andrews
- Â Mr. Williams 1 episode, 2002
- Simon Schatzberger
- Â Man Selling Books 1 episode, 2002
- Jim Barclay
- Â Trash Customer 1 episode, 2002
- Brian Shelley
- Â Ralph 1 episode, 2002
- Diana Hull
- Â Grandma 1 episode, 2002
- Catherine Shepherd
- Â Bridget 1 episode, 2004
- Justin Edwards
- Â Poker Customer 1 episode, 2004
- Tony Bignell
- Â 50 Pound Book Kid 1 episode, 2004
- Stewart Wright
- Â Second Customer 1 episode, 2000
- Jeillo Edwards
- Â Midwife 1 episode, 2000
- Louise Hickson
- Â Peter's Sister 1 episode, 2000
- Selina Giles
- Â Trash Customer 1 episode, 2002
- Vincenzo Nicoli
- Â Frederick 1 episode, 2002
- Edward Burnham
- Â Piotr, Josef's Father 1 episode, 2002
- Tania Wade
- Â Shrink 1 episode, 2002
- Lonnie James
- Â Fatty 1 episode, 2002
- Su Elliot
- Â Betting Clerk 1 episode, 2004
- Patricia Franklin
- Â Keen Customer 1 episode, 2004
- Oliver Golding
- Â Young Customer 1 episode, 2004
- Martin Freeman
- Â Doctor 1 episode, 2000
- Colin McFarlane
- Â Inspector Norris 1 episode, 2000
- Chris Larner
- Â Freddie 1 episode, 2000
- Rory MacGregor
- Â Spotty 1 episode, 2002
- Peter Heppelthwaite
- Â Book Return Man 1 episode, 2002
- Kay D'Arcy
- Â Customer 1 episode, 2002
- Louise Winstone
- Â Martina 1 episode, 2002
- Jane Janovic
- Â American Customer's Wife 1 episode, 2004
- Camilla Heaney
- Â Timmy's Mother 1 episode, 2004
- Adam Morris
- Â Peter 1 episode, 2000
- John Macneill
- Â Policeman 1 episode, 2000
- John Marquez
- Â Waiter 1 episode, 2002
- Garry Roost
- Â Creepy Man 1 episode, 2002
- Jasper Holmes
- Â Tempoclopsic Customer 1 episode, 2002
- Charlie Hicks
- Â Timmy 1 episode, 2004
- Steve Lately
- Â Poker Player 1 episode, 2004
- Elizabeth Marmur
- Â Sarah 1 episode, 2000
- Eamonn O'Neill
- Â Jehovah's Witness 1 episode, 2000
- Nizwar Karanj
- Â Ice Cream Vendor 1 episode, 2002
- George Miller
- Â Anton, Josef's Grandfather 1 episode, 2002
- Huggy Leaver
- Â Poker Player 1 episode, 2004
- Hugh Parker
- Â Gerald 1 episode, 2000
- James O'Neill
- Â Jehovah's Witness 1 episode, 2000
- Ella Kenion
- Â Cool Book Girl 1 episode, 2002
- Mac McDonald
- Â American War Enthusiast 1 episode, 2004
- Michael Parkhouse
- Â Mr. Blackbelly 1 episode, 2000
- Lidija Zovkic
- Â Woman With Sunglasses 1 episode, 2002
- Paul Putner
- Â Tramp 1 episode, 2004
- Muriel Pavlow
- Â Old Woman 1 episode, 2000
- Pat Starr
- Â Poker Player 1 episode, 2004
- Jack Pierce
- Â Hooligan 1 episode, 2000
- Rupert Vansittart
- Â Rich Guy 1 episode, 2000
- Rosie Day
- Â Rachel (uncredited) 3 episodes, 2000
- Graham Linehan
- Â Book Lover / ... (uncredited) 2 episodes, 2000
- David Decio
- Â Student (uncredited) 1 episode, 2000
- Dick Lunn
- Â Man on Street (uncredited) 1 episode, 2000
- Brett Reylander
- Â Man in Takeaway (uncredited) 1 episode, 2000
- Ralph Ineson
- Â Richard (uncredited) 1 episode, 2004