- Keith Allen - Dave 'Mouse Ear' Smith
- Craig Parkinson - Martin the Tout
- Jiggy Bhore - Light Holiday Customer
- Justin Edwards - Poker Customer
- Su Elliot - Betting Clerk
- Steve Lately - Poker Player
- Huggy Leaver - Poker Player
- Martin Freeman - Doctor
- Kevin Eldon - Cleaner
- Chris Larner - Freddie
- Omid Djalili - Trebor
- David Walliams - Customer
- Sophie Stanton - Policewoman
- Mark Aiken - Ben
- Hugh Parker - Gerald
- Angela Curran - Policewoman
- Liam Hess - Jimbo
- Evie Garratt - Old Woman
- Colin McFarlane - Inspector Norris
- Terry Bird - Noggsy
- Peter Serafinowicz - Howell Granger
- Nick Frost - Security System Man
- Tony Bluto - Nick Voleur
- John MacNeill - Policeman
- Jeillo Edwards - Midwife
- Michael Parkhouse - Mr. Blackbelly
- Eamonn O'Neill - Jehovah's Witness
- Muriel Pavlow - Old Woman
- Rupert Vansittart - Rich Guy
- Jack Pierce - Hooligan
- Dominic Carter - Hooligan
- David Cann - Eddie
- Rhys Thomas - Student
- John Arthur - Customer
- Stewart Wright - Customer
- Bill Nighy - Man at bar
- Ben Homewood - Monk
- Ben Homewood - Customer
- Paul Beech - Abbott
- Paul Beech - Customer
- Louise Hickson - Peter's Sister
- Graham Linehan - Man in Takeaway
- Graham Linehan - Book Lover
- Adam Morris - Peter
- Tony Way - Youth
- Nina Conti - Kate
- David McKail - Josef Slvanski
- Jean Ainslie - Charity Collector
- Luing Andrews - Mr. Williams
- Edward Burnham - Piotr, Josef's Father
- Kay D'Arcy - Customer
- Rose Keegan - Room 2B Occupant
- Johnny Vegas - Landlord
- Adam Astill - Construction Worker
- Jim Barclay - Trash Customer
- Selina Giles - Trash Customer
- Peter Heppelthwaite - Book Return Man
- Nizwar Karanj - Ice Cream Vendor
- Ella Kenion - Cool Book Girl
- Lidija Zovkić - Woman With Sunglasses
- Ricky Grover - Danny Spudge
- Rob Brydon - B. Nugent
- Mick Walter - Gus
- Brian Shelley - Ralph
- Lonnie James - Fatty
- Rory MacGregor - Spotty
- Garry Roost - Creepy Man
- Mark Donovan - Gregor
- Diana Hull - Grandma
- Vincenzo Nicoli - Frederick
- Nigel Harrison - Customer
- Jessica Hynes - Eva
- Paul Kemp - Waiter
- Tanya Wade - Shrink
- Simon Schatzberger - Man Selling Books
- Richard Katz - Customer
- Howard Coggins - Heathrow Bartender
- Miltos Yerolemou - Schubert Customer
- Simon Pegg - Evan
- Judith Jacob - Customer
- Lucy Davis - Becky
- Pandora Colin - Claire
- Olivia Colman - Tanya
- Charlie Hicks - Timmy
- Camilla Heaney - Timmy's Mother
- Tony Bignell - 50 Pound Book Kid
- Annette Crosbie - Moo-Ma
- Sam Kelly - Moo-Pa
- Pat Starr - Poker Player
- Paul Putner - Tramp
- Mac McDonald - American War Enthusiast
- Julian Rhind-Tutt - Jason Hamilton
- Catherine Shepherd - Bridget
- Alice Lowe - Solicitor
- Patricia Franklin - Keen Customer
- Elizabeth Chadwick - Rowena
- Jane Davies
- Karen Beever
- Nira Park
- William Burdett-Coutts
- John Connor
- Jonathan Whitehead
- Keith Nixon
Dylan Moran interpreta a Bernard en la serie.
Bill Nighy interpreta a Man at bar en la serie.
Rupert Vansittart interpreta a Rich Guy en la serie.
Huggy Leaver interpreta a Poker Player en la serie.
Bill Bailey hace el papel de Manny.
Tamsin Greig interpreta a Fran en la serie.
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